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Muscles, Bones > Muscles, Musles, Músculos, Misk Yo > Flashcards

Muscles, Musles, Músculos, Misk Yo Flashcards

1
Q

Temporalis action

A

Elevate and retract the mandible.

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2
Q

Temporalis origin

A

Temporal fossa and fascia

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3
Q

Temporalis insertion

A

Coronoid process and ramus of the mandible.

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4
Q

Digastric action

A

Depress and retract the mandible
Elevates hyoid bone.

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5
Q

Digastric origin

A

Mastoid process

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6
Q

Digastric insertion

A

Inferior border of the mandible.

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7
Q

Platysma action

A

Depress the mandible
Tighten neck fascia
Draw down corner of the mouth.

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8
Q

Platysma origin

A

Fascia covering the superior pectoralis major

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9
Q

Platysma insertion

A

Base of the mandible
Skin of lower part of the face.

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10
Q

Masseter action

A

Elevates and protracts the mandible

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11
Q

Masseter origin

A

Zygomatic arch

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12
Q

Masseter insertion

A

Angle and ramus of the mandible

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13
Q

Sternocleidomastoid action

A

Unilaterally:
Laterally flex head and neck to the same side.
Rotate the head and neck to the opposite side.
Bilaterally:
Flex the neck
Assist to elevate the rib cage during inhalation

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14
Q

Sternocleidomastoid origin

A

Sternal head- manubrium
Clavicular head- clavicle

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15
Q

Sternocleidomastoid insertion

A

Mastoid process

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16
Q

Anterior Scalene action

A

Laterally flex the head and neck to the same side.
Rotate head and neck to the opposite side.
Elevate ribs during inhalation
Flex the head and neck.

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17
Q

Anterior Scalene origin

A

Transverse process of C3-C6

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18
Q

Anterior Scalene insertion

A

First rib.

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19
Q

Middle Scalene action

A

Laterally flex the head and neck to the same side.
Rotate head and neck to the opposite side.
Elevate ribs during inhalation.

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20
Q

Middle Scalene origin

A

Transverse process of C2-C7

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21
Q

Middle Scalene insertion

A

First rib

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22
Q

Posterior Scalene origin

A

TP of C6 & C7

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23
Q

Posterior Scalene insertion

A

Second rib

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24
Q

Medial Pterygoid action

A

Laterally deviate the mandible to the opposite side
Elevates, protracts the mandible.

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25
Q

Medial Pterygoid origin

A

Medial surface of lateral pterygoid plate of sphenoid bone and tuberosity of maxilla

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26
Q

Medial Pterygoid insertion

A

Medial surface of ramus of the mandible

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27
Q

Lateral Pterygoid action

A

Laterally deviate the mandible to the opposite side
Protract the mandible

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28
Q

Lateral Pterygoid origin

A

Superior head- Infratemporal surface and crest of greater wing of sphenoid bone
Inferior head- Lateral surface of lateral pterygoid plate of sphenoid bone

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29
Q

Lateral Pterygoid insertion

A

Articular disc and capsule of TMJ, neck of mandible.

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30
Q

Sternohyoid action (infra)

A

Depress the hyoid bone and thyroid cartilage.

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31
Q

Sternohyoid origin (infra)

A

Manubrium

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32
Q

Sternohyoid insertion (infra)

A

Hyoid bone

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33
Q

Thyrohyoid origin (infra)

A

Thyroid cartilage

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34
Q

Omohyoid origin (infra)

A

Superior border of the scapula

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35
Q

Sternothyroid origin (infra)

A

Manubrium

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36
Q

Stylohyoid action (supra)

A

Elevate hyoid and tongue
Depress mandible

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37
Q

Stylohyoid origin (supra)

A

Styloid process

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38
Q

Mylohyoid origin (supra)

A

Underside of the mandible

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39
Q

Geniohyoid origin (supra)

A

Underside of the mandible

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40
Q

Subclavius action

A

Depress the clavicle and draw it anteriorly.
Elevate the first rib (inhalation)
Stabilize the sternoclavicular joint

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41
Q

Subclavius origin

A

First rib and cartilage

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42
Q

Subclavius insertion

A

Inferior surface of the clavicle

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43
Q

Serratus Anterior action

A

Abduct (protraction), upwardly rotate, depress the scapula.
Hold the medial border of the scapula against the rib cage.

(Think push up, moving body away from floor)

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44
Q

Serratus Anterior origin

A

Upper eight or nine ribs

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45
Q

Serratus Anterior insertion

A

Medial border of the scapula.

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46
Q

Rhomboid Minor action

A

Adduct, elevate, downwardly rotate the scapula

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47
Q

Rhomboid Minor origin

A

SP of C7 and T1

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48
Q

Rhomboid Minor insertion

A

Upper medial border of the scapula

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49
Q

Rhomboid Major origin

A

SP T2-T5

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50
Q

Rhomboid Major insertion

A

Medial border of the scapula between the spine of the scapula and inferior angle

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51
Q

Pectoralis Major action

A

All fibers:
Adduct and medially rotate the shoulder (think reaching behind back)
Elevate thorax (inhalation)

Upper fibers:
Flex and horizontally adduct the shoulder.

Lower fibers: extend the shoulder

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52
Q

Pectoralis Major origin

A

Medial half of the clavicle, sternum, and cartilage of the first through sixth ribs

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53
Q

Pectoralis Major insertion

A

Crest of greater tubercle of the humerus.

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54
Q

Pectoralis Minor action

A

Depress, abduct (protract), downwardly rotate the scapula
Elevate the thorax (inhalation)

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55
Q

Pectoralis Minor origin

A

Third, fourth, and fifth ribs

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56
Q

Pectoralis Minor insertion

A

Medial surface of coracoid process of the scapula.

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57
Q

Levator Scapula action

A

Elevate and downwardly rotate the scapula.
Laterally flex and extend the neck
Rotate the head and neck to the same side

Bilaterally: Extend the head and neck

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58
Q

Levator Scapula origin

A

TP C1-C4

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59
Q

Levator Scapula insertion

A

Medial border of superior angle of the scapula.

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60
Q

Trapezius action

A

Upper fibers:
Extend the head and neck
Laterally flex head and neck to the same side.
Rotate head and neck to the opposite side
Elevate and upwardly rotate the scapula.

Middle fibers:
Adduct and stabilize the scapula

Lower fibers:
Depress and upwardly rotate the scapula

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61
Q

Trapezius origin

A

External occipital protuberance, medial portion of superior nichai line of the occiput, ligamentum nuchae, and SP of C7-T12

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62
Q

Trapezius insertion

A

Upper lateral border of the clavicle, acromion, spine of the scapula

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63
Q

Deltoid action

A

All fibers:
Abduct the shoulder

Anterior fibers:
Flex, medially rotate, horizontally adduct the shoulder

Posterior fibers:
Extend, laterally rotate, horizontally abduct the shoulder

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64
Q

Deltoid origin

A

Lateral clavicle, acromion, and spine of scapula.

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65
Q

Deltoid insertion

A

Deltoid tuberosity

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66
Q

Infraspinatus action

A

Laterally rotate and adduct the shoulder
Stabilize the head of humerus in glenoid cavity

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67
Q

Infraspinatus origin

A

Infraspinous fossa of the scapula

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68
Q

Infraspinatus insertion

A

Greater tubercle of the humerus

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69
Q

Teres Minor action

A

Laterally rotate and adduct the shoulder
Stabilize the head of humerus in glenoid cavity

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70
Q

Teres Minor origin

A

Lateral border of the scapula

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71
Q

Teres Minor insertion

A

Greater tubercle of the humerus

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72
Q

Teres Major action

A

Extend, adduct, medially rotate the shoulder

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73
Q

Teres Major origin

A

Inferior angle and lower lateral border of the scapula

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74
Q

Teres Major insertion

A

Crest of the lesser tubercle of the humerus

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75
Q

Latissimus Dorsi action

A

Extend, adduct, medially rotate the shoulder

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76
Q

Latissimus Dorsi origin

A

Inferior angle of scapula, spinous processes of last six thoracic vertebrae, last three or four ribs, thoracolumbar fascia, and posterior iliac crest

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77
Q

Latissimus Dorsi insertion

A

Intertubercular groove of the humerus

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78
Q

Supraspinatus action

A

Abduct the shoulder
Stabilize the head of humerus in glenoid cavity

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79
Q

Supraspinatus origin

A

Supraspinous fossa of the scapula

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80
Q

Supraspinatus insertion

A

Greater tubercle of the humerus

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81
Q

Subscapularis action

A

Medially rotate the shoulder
Stabilize the head of humerus in glenoid cavity

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82
Q

Subscapularis origin

A

Subscapular fossa of the scapula

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83
Q

Subscapularis insertion

A

Lesser tubercle of the humerus

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84
Q

Erector Spinae Group
(Spinalis, Longissimus, Iliocostalis) action

A

Laterally flex vertebral column to the same side
Extend the vertebral column

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85
Q

Spinalis origin

A

SP of upper lumbar and lower thoracic (Thoracis)
Ligamentum nuchae, spinous process of C7 (Cervicis)

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86
Q

Spinalis insertion

A

SP of upper thoracic (thoracis)
SP of cervicals, except C1

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87
Q

Longissimus origin

A

Common tendon (thoracis)
TP of upper five thoracic vertebrae (cervicis and capitis)

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88
Q

Longissimus insertion

A

Lower nine ribs and TP of thoracic vertebrae (thoracis)
TP of cervical vertebrae (cervicis)
Mastoid process of temporal bone (capitis)

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89
Q

Iliocostalis origin

A

Common tendon (lumborum)
Posterior surface of ribs 1-12 (thoracis and cervicis)

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90
Q

Iliocostalis insertion

A

TP of lumbar vertebrae L1-L3 and posterior surface of ribs 6-12 (lumborum)
Posterior surface of ribs 1-6 (thoracis)
TP of lower cervicals (cervicis)

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91
Q

Splenius Capitis action

A

Rotate and laterally flex head and neck to the same side.
Extend the head and neck

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92
Q

Splenius Capitis origin

A

Inferior one-half of ligamentum nuchae and SP of C7-T4

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93
Q

Splenius Capitis insertion

A

Mastoid process and lateral portion of superior nuchal line.

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94
Q

Rectus Abdominus action

A

Flex the vertebral column
Tilt pelvis posteriorly

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95
Q

Rectus Abdominis origin

A

Pubic crest, pubic symphysis

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96
Q

Rectus Abdominis insertion

A

Cartilage of fifth, sixth, and seventh ribs and xiphoid process

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97
Q

External Oblique action

A

Laterally flex vertebral column to the same side.
Rotate vertebral column to the opposite side.
Flex the vertebral column.
Compress abdominal contents.

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98
Q

External Oblique origin

A

External surfaces of fifth to twelfth ribs

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99
Q

External Oblique insertion

A

Anterior part of iliac crest, rectus sheath to linea alba

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100
Q

Internal Oblique action

A

Unilaterally:
Laterally flex vertebral column to the same side
Rotate vertebral column the same side
Bilaterally:
Flex the vertebral column
Compress abdominal contents

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101
Q

Internal Oblique origin

A

Lateral inguinal ligament, iliac crest, and thoracolumbar fascia

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102
Q

Internal Oblique insertion

A

Internal surface of lower three ribs, rectus sheath to linea alba

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103
Q

External Intercostals action

A

Draw the ribs superiorly (increasing the space of the thoracic cavity) to assist with inhalation

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104
Q

External Intercostals origin

A

Inferior border of the rib above

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105
Q

External Intercostals insertion

A

Superior border of the rib below

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106
Q

Iinternal Intercostals action

A

Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation

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107
Q

Internal Intercostals origin

A

Inferior border of the rib above

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108
Q

Internal Intercostals insertion

A

Superior border of the rib below

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109
Q

Serratus Posterior Inferior action

A

Depress the ribs during exhalation

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110
Q

Serratus Posterior Inferior origin

A

SP of T12-L3

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111
Q

Serratus Posterior Inferior insertion

A

Posterior surface of ninth through twelfth ribs

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112
Q

Biceps Brachii action

A

Flex the elbow
Supinate the forearm
Flex the shoulder

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113
Q

Biceps Brachii origin

A

Short head- Coracoid process of scapula
Long head- supraglenoid tubercle of scapula

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114
Q

Biceps Brachii insertion

A

Tuberosity of the radius and aponeurosis of the biceps brachii

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115
Q

Triceps Brachii action

A

All heads:
Extend the elbow
Long head:
Extend and adduct the shoulder

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116
Q

Triceps Brachii origin

A

Long head- infraglenoid tubercle of the scapula
Lateral head- Posterior surface of proximal half of the humerus
Medial head- Posterior surface of distal half of the humerus

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117
Q

Triceps Brachii insertion

A

Olecranon process of the ulna

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118
Q

Coracobrachialis action

A

Flex and adduct the shoulder

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119
Q

Coracobrachialis origin

A

Coracoid process of the scapula

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120
Q

Coracobrachialis insertion

A

Medial surface of mid-humeral shaft

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121
Q

Longus Capitis action

A

Unilaterally:
Laterally flex and rotate the head and neck to the same side
Bilaterally:
Flex the head and neck

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122
Q

Longus Capitis origin

A

TP of C3-C6

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123
Q

Longus Capitis insertion

A

Inferior surface of occiput

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124
Q

Longus Colli origin

A

Bodies of C5-T3, TP of C3-C5

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125
Q

Longus Colli insertion

A

Tubercle on anterior arch of the atlas; bodies of the axis, C3&C4; TP of C5-C6

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126
Q

Extensor Digitoriun action

A

Extends second-fifth fingers
Assist to extend the wrist

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127
Q

Extensor Digitorum origin

A

Common extensor tendon from the lateral epicondyle of humerus

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128
Q

Extensor Digitorum insertion

A

Bases of middle and distal phalanges of second through fifth fingers

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129
Q

Extensor Carpi Radialis Longus action

A

Extend the wrist
Abduct the wrist
Assist to flex the elbow

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130
Q

Extensor Carpi Radialis Longus origin

A

Distal one-third of the lateral supracondylar ridge of humerus

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131
Q

Extensor Carpi Radialis Longus insertion

A

Base of second metacarpal

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132
Q

Extensor Indicis action

A

Extend and abduct the second finger
May assist to extend the wrist

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133
Q

Extensor Indicis origin

A

Posterior surface of distal shaft of ulna and interosseous membrane

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134
Q

Extensor Indicis insertion

A

Tendon of the extensor digitorium at the level of the second metacarpal

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135
Q

Pronator Quadratus action

A

Pronate the forearm

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136
Q

Pronator Quadratus origin

A

Medial, anterior surface of distal ulna

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137
Q

Pronator Quadratus insertion

A

Lateral, anterior surface of distal radius

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138
Q

Abductor Pollicus Longus action

A

Abduct and extend the thumb
Abduct the wrist

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139
Q

Abductor Pollicis Longus origin

A

Posterior surface of radius and ulna, and interosseous membrane

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140
Q

Abductor Pollicis Longus insertion

A

Base of first metacarpal

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141
Q

Extensor Pollicis Longus action

A

Extend the thumb (interphalangeal, metacarpophalangeal, and carpometacarpal joints)
Abduct the wrist

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142
Q

Extensor Pollicis Longus origin

A

Posterior surface of ulna and interosseous membrane

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143
Q

Extensor Pollicis Longus insertion

A

Base of distal phalanx of thumb

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144
Q

Extensor Pollicis Brevis action

A

Extend the thumb
Abduct the wrist

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145
Q

Extensor Pollicis Brevis origin

A

Posterior surface of radius and interosseous membrane

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146
Q

Extensor Pollicis Brevis insertion

A

Base of proximal phalanx of thumb

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147
Q

Flexor Pollicis Longus action

A

Flex the thumb
Assist to flex the wrist

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148
Q

Flexor Pollicis Longus origin

A

Anterior surface of radius and interosseous membrane

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149
Q

Flexor Pollicis Longus insertion

A

Base of distal phalanx of thumb

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150
Q

Abductor Pollicis Brevis action

A

Abduct the thumb
Assist in opposition of the thumb

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151
Q

Abductor Pollicis Brevis origin

A

Flexor retinaculum, trapezium and scaphoid tubercles

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152
Q

Abductor Pollicis Brevis insertion

A

Base of proximal phalanx of thumb

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153
Q

Flexor Pollicis Brevis action

A

Flex the thumb
Assist in opposition of thumb

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154
Q

Flexor Pollicis Brevis origin

A

Superficial head: Flexor retinaculum
Deep head: Trapezium, trapezoid, and capitate

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155
Q

Flexor Pollicis Brevis insertion

A

Base of proximal phalanx of thumb

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156
Q

Opponens Pollicis action

A

Opposition of the the thumb

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157
Q

Opponens Pollicis origin

A

Flexor retinaculum and tubercle of the trapezium

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158
Q

Opponens Pollicis insertion

A

Entire length of first metacarpal bone, radial surface

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159
Q

Adductor Pollicis action

A

Adduct the thumb
Assist to flex the thumb

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160
Q

Adductor Pollicis origin

A

Capitate, second and third metacarpals

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161
Q

Adductor Pollicis insertion

A

Base of proximal phalanx of thumb

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162
Q

Lumbricals of the Hand action

A

Extend and flex the second through fifth fingers

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163
Q

Lumbricals of the Hand origin

A

Surfaces of the flexor digitorum profundus tendons

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164
Q

Lumbricals of the Hand insertion

A

Extensor aponeurosis on dorsal surface of phalanges

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165
Q

Diaphragm action

A

Draw down the central tendon of the diaphragm

Increase the volume of the thoracic cavity during inhalation

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166
Q

Diaphragm Insertion

A

Central tendon

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167
Q

Diaphragm origin

A

Costal attachment- inner surface of lower six ribs
Lumbar attachment- upper two or three lumbar vertebrae
Sternal attachment- inner part of xiphoid process.

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168
Q

Multifidi action

A

Unilaterally- Rotate the vertebral column to the opposite side
Bilaterally- extend the vertebral column

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169
Q

Rotatores origin

A

Transverse processes of lumbar through cervical vertebrae

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170
Q

Supinator action

A

Supinate the forearm

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171
Q

Supinator origin

A

Lateral epicondyle of humerus, radial collateral ligament, annular ligament, and supinator crest of the ulna

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172
Q

Supinator insertion

A

Anterior, lateral surface of proximal one-third of radial shaft

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173
Q

Extensor Carpi Radialis Brevis action

A

Extend the wrist (radiocarpal joint)
Abduct the wrist (radiocarpal joint)
Assist to flex the elbow

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174
Q

Extensor Carpi Radialis Brevis origin

A

Common extensor tendon from the lateral epicondyle of humerus

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175
Q

Extensor Carpi Radialis Brevis insertion

A

Base of third metacarpal

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176
Q

Flexor Digitorum Superficialis action

A

Flex the second through fifth fingers
Flex the wrist

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177
Q

Flexor Digitorum Superficialis origin

A

Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane, and proximal shaft of radius.

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178
Q

Flexor Digitorum Superficialis insertion

A

Sides of middle phalanges of second through fifth fingers

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179
Q

Flexor Carpi Ulnaris action

A

Flex the wrist
Adduct the wrist
Assist to flex the elbow

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180
Q

Flexor Carpi Ulnaris origin

A

Humeral head:
Common flexor tendon from medial epicondyle of humerus
Ulnar head:
Posterior surface of proximal two-thirds of ulna

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181
Q

Flexor Carpi Ulnaris insertion

A

Pisiform, hook of the hamate, and base of fifth metacarpal

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182
Q

Dorsal Interossei action

A

Abduct the second, third, and fourth fingers at the metacarpophalangeal joints

Assist to flex the second, third, and fourth fingers at the metacarpophalangeal joints

Assist to extend the second, third, and fourth fingers at the interphalangeal joints.

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183
Q

Dorsal Interossei origin

A

Adjacent sides of all metacarpals

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184
Q

Dorsal Interossei insertion

A

Base of the proximal phalanx of the second, third, and fourth fingers and the extensor aponeurosis

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185
Q

Abductor Digiti Minimi action

A

Abduct the fifth finger
Assist in opposition of the fifth finger toward the thumb.

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186
Q

Abductor Digiti Minimi origin

A

Pisiform and tendon of flexor carpi ulnaris

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187
Q

Abductor Digiti Minimi insertion

A

Base of proximal phalanx of fifth finger, ulnar surface

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188
Q

Flexor Digiti Minimi Brevis action

A

Flex the fifth finger
Assist in opposition of the fifth finger toward the thumb.

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189
Q

Flexor Digiti Minimi Brevis insertion

A

Hook of hamate and flexor retinaculum

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190
Q

Flexor Digiti Minimi Brevis insertion

A

Base of proximal phalanx of fifth finger, palmar surface

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191
Q

Opponens Digiti Minimi action

A

Opposition of the fifth finger at the carpometacarpal joint

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192
Q

Opponens Digiti Minimi origin

A

Hook of hamate and flexor retinaculum

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193
Q

Opponens Digiti Minimi insertion

A

Shaft of fifth metacarpal, ulnar surface

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194
Q

Extensor Carpi Ulnaris action

A

Extend the wrist
Adduct the wrist

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195
Q

Extensor Carpi Ulnaris origin

A

Common extensor tendon from the lateral epicondyle of humerus

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196
Q

Extensor Carpi Ulnaris insertion

A

Base of fifth metacarpal

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197
Q

Pronator Teres Action

A

Pronate the forearm
Assist to flex the elbow

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198
Q

Pronator Teres Origin

A

Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna.

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199
Q

Pronator Teres insertion

A

Middle of lateral surface of the radius

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200
Q

Temporalis nerve innervation

A

Trigeminal (V) nerve

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201
Q

Digastric nerve innervation

A

Anterior belly: Trigeminal (V)
Posterior belly: Facial (VII)

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202
Q

Platysma nerve innervation

A

Facial (VII)

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203
Q

Masseter nerve innervation

A

Trigeminal (V) nerve

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204
Q

Sternocleidomastoid nerve innervation

A

Spinal accessory (XI) nerve, C2, 3

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205
Q

Anterior Scalene nerve innervation

A

C(3), 4-8

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206
Q

Posterior Scalene action

A

Laterally flex the head and neck to the same side.
Rotate head and neck to the opposite side.
Elevate ribs during inhalation.

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207
Q

Middle Scalene nerve innervation

A

C(3), 4-8

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208
Q

Posterior Scalene nerve innervation

A

C(3), 4-8

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209
Q

Lateral Pterygoid nerve innervation

A

Trigeminal (V)

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210
Q

Medial Pterygoid nerve innervation

A

Trigeminal (V)

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211
Q

Sternohyoid nerve innervation

A

C1, 2, 3

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212
Q

Thyrohyoid action

A

Depress the hyoid bone and thyroid cartilage

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213
Q

Thyrohyoid insertion

A

Hyoid bone

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214
Q

Thyrohyoid nerve innervation

A

C1, 2

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215
Q

Omohyoid action (infra)

A

Depress the hyoid bone and thyroid cartilage

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216
Q

Omohyoid insertion (infra)

A

Hyoid bone

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217
Q

Omohyoid nerve innervation (infra)

A

C1, 2, 3

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218
Q

Sternothyroid action (infra)

A

Depress the hyoid bone and thyroid cartilage

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219
Q

Sternothyroid insertion (infra)

A

Thyroid cartilage

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220
Q

Sternothyroid nerve innervation

A

C1, 2, 3

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221
Q

Stylohyoid insertion (supra)

A

Hyoid bone

222
Q

Stylohyoid nerve innervation (supra)

A

Facial (VII)

223
Q

Mylohyoid action (supra)

A

Elevate hyoid and tongue
Depress mandible

224
Q

Mylohyoid insertion (supra)

A

Hyoid bone

225
Q

Mylohyoid nerve innervation (supra)

A

Trigeminal (V)

226
Q

Geniohyoid action (supra)

A

Elevate hyoid and tongue
Depress mandible

227
Q

Geniohyoid insertion (supra)

A

Hyoid bone

228
Q

Subclavius nerve innervation

A

Subclavian C5, 6

229
Q

Serratus Anterior nerve innervation

A

Long thoracic C5, 6, 7, 8

230
Q

Rhomboid Major action

A

Adduct, elevate, downwardly rotate the scapula

231
Q

Rhomboid Minor nerve innervation

A

Dorsal scapular C4, 5

232
Q

Rhomboid Major nerve innervation

A

Dorsal scapular C4, 5

233
Q

Pectoralis Major nerve innervation

A

Upper fibers:
Lateral pectoral C5, 6, 7

Lower fibers:
Lateral and medial pectoral C6, 7, 8, T1

234
Q

Pectoralis Minor nerve innervation

A

Medial pectoral, with fibers from a communicating branch of the lateral pectoral C(6), 7, 8, T1

235
Q

Levator Scapula nerve innervation

A

Cervical 3, 4, and dorsal scapular C4, 5

236
Q

Trapezius nerve innervation

A

Spinal portion of cranial nerve XI (accessory) and ventral ramus C2, 3, 4

237
Q

Deltoid nerve innervation

A

Axillary C5, 6

238
Q

Infraspinatus nerve innervation

A

Suprascapular C(4), 5, 6

239
Q

Teres Minor nerve innervation

A

Axillary C5, 6

240
Q

Teres Major nerve innervation

A

Lower subscapular C5, 6, 7

241
Q

Latissimus Dorsi nerve innervation

A

Thoracodorsal C6, 7, 8

242
Q

Supraspinatus nerve innervation

A

Suprascapular C4, 5, 6

243
Q

Subscapularis nerve innervation

A

Upper and lower subscapular C5, 6, 7

244
Q

Spinalis nerve innervation

A

Spinal

245
Q

Longissimus nerve innervation

A

Spinal

246
Q

Iliocostalis nerve innervation

A

Spinal

247
Q

Splenius Capitis nerve innervation

A

Cervical

248
Q

Rectus Abdominis nerve innervation

A

T5, 6, T7-11, T12, ventral rami

249
Q

External Oblique nerve innervation

A

(T5, 6), T7-11, T12

250
Q

Internal Oblique nerve innervation

A

T7, 8, T9-12, L1

251
Q

External Intercostals nerve innervation

A

Thoracic

252
Q

Internal Intercostals nerve innervation

A

Thoracic

253
Q

Serratus Posterior Inferior nerve innervation

A

T9, 10, 11, (12)

254
Q

Biceps Brachii nerve innervation

A

Musculocutaneous C5, 6

255
Q

Triceps Brachii nerve innervation

A

Radial C6, 7, 8, T1

256
Q

Coracobrachialis nerve innervation

A

Musculocutaneous C6, 7

257
Q

Longus Capitis nerve innervation

A

C1, 2, 3, (4)

258
Q

Longus Colli action

A

Unilaterally:
Laterally flex the head and neck to the same side
Rotate head and neck to the same side
Bilaterally:
Flex head and neck

259
Q

Longus Colli nerve innervation

A

C2-6, (7)

260
Q

Extensor Digitorum nerve innervation

A

Radial C6, 7, 8

261
Q

Extensor Carpi Radialis Longus nerve innervation

A

Radial C5, 6, 7, 8

262
Q

Extensor Indicis nerve innervation

A

Radial C6, 7, 8

263
Q

Pronator Quadratus nerve innervation

A

Median C7, 8, T1

264
Q

Abductor Pollicis Longus nerve innervation

A

Radial C6, 7, 8

265
Q

Extensor Pollicis Longus nerve innervation

A

Radial C6, 7, 8

266
Q

Extensor Pollicis Brevis nerve innervation

A

Radial C6, 7, 8

267
Q

Flexor Pollicis Longus nerve innervation

A

Median C(6), 7, 8, T1

268
Q

Abductor Pollicis Brevis nerve innervation

A

Median C6, 7, 8, T1

269
Q

Flexor Pollicis Brevis nerve innervation

A

Superficial head: Median C6, 7, 8, T1
Deep head: Ulnar C8, T1

270
Q

Opponens Pollicis nerve innervation

A

Median C6, 7, 8, T1

271
Q

Adductor Pollicis nerve innervation

A

Ulnar C8,T1

272
Q

Lumbricals of the Hand nerve innervation

A

Second and third fingers: Median C(6), 7, 8, T1
Fourth land fifth fingers: Ulnar C(7), 8, T1

273
Q

Diaphragm nerve innervation

A

Phrenic C3, 4, 5

274
Q

Multifidi origin

A

Sacrum and transverse processes of lumbar through cervical vertebrae

275
Q

Multifidi insertion

A

Spinous processes of lumbar vertebrae through second cervical vertebra (span two to four vertebrae)

276
Q

Multifidi nerve innervation

A

Spinal

277
Q

Rotatores action

A

Unilaterally: Rotate the vertebral column to the opposite side
Bilaterally: Extend the vertebral column

278
Q

Rotatores insertion

A

Spinous processes of lumbar vertebrae through second cervical vertebra (span one to two vertebrae)

279
Q

Rotatores nerve innervation

A

Spinal

280
Q

Supinator nerve innervation

A

Radial C5, 6, (7)

281
Q

Extensor Carpi Radialis Brevis nerve innervation

A

Radial C6, 7, 8

282
Q

Flexor Digitorum Superficialis nerve innervation

A

Median C7, 8, T1

283
Q

Flexor Carpi Ulnaris nerve innervation

A

Ulnar C7, 8, T1

284
Q

Dorsal Interossei nerve innervation

A

Ulnar C8, T1

285
Q

Abductor Digiti Minimi nerve innervation

A

Ulnar C(7), 8, T1

286
Q

Flexor Digiti Minimi Brevis nerve innervation

A

Ulnar C(7), 8, T1

287
Q

Opponens Digiti Minimi nerve innervation

A

Ulnar C(7), 8, T1

288
Q

Extensor Carpi Ulnaris nerve innervation

A

Radial C6, 7, 8

289
Q

Interspinalis action

A

Extend the vertebral column

290
Q

Interspinalis origin and insertion

A

Cervical: Spanning the spinous processes of C-2
to T-3
Lumbar: Spanning the spinous processes of T-12
to L-5

291
Q

Interspinalis nerve innervation

A

Spinal

292
Q

Semispinalis Capitis action

A

Extend the vertebral column and head

293
Q

Semispinalis Capitis origin

A

Transverse processes of C-4 to T-5

294
Q

Semispinalis Capitis insertion

A

Between the superior and inferior nuchal lines of the occiput

295
Q

Semispinalis Capitis nerve innervation

A

Cervical

296
Q

Splenius Cervicis action

A

Unilaterally:
Rotate the head and neck to the same side
Laterally flex the head and neck to the same side
Bilaterally:
Extend the head and neck

297
Q

Splenius Cervicis origin

A

Spinous processes of T-3 to T-6

298
Q

Splenius Cervicis insertion

A

Transverse processes of C-1 to C-3

299
Q

Splenius Cervicis nerve innervation

A

Cervical

300
Q

Quadratus Lumborum action

A

Unilaterally:
Laterally tilt (elevate) the pelvis
Laterally flex the vertebral column to the same side
Bilaterally:
Fix the last rib during forced inhalation and exhalation
Assist to extend the vertebral column

301
Q

Quadratus Lumborum origin

A

Posterior iliac crest

302
Q

Quadratus Lumborum insertion

A

Last rib and transverse processes of first through fourth lumbar vertebrae

303
Q

Quadratus Lumborum nerve innervation

A

Lumbar plexus T12, L1, 2, 3

304
Q

Serratus Posterior Superior action

A

Elevate the ribs during inhalation

305
Q

Serratus Posterior Superior origin

A

Spinous processes of C-7 to T-3

306
Q

Serratus Posterior Superior insertion

A

Posterior surface of second through fifth ribs

307
Q

Serratus Posterior Superior nerve innervation

A

T1, 2, 3, 4

308
Q

Flexor Carpi Radialis action

A

Flex the wrist (radiocarpal joint)
Abduct the wrist (radiocarpal joint)
May assist to flex the elbow (humeroulnar joint)

309
Q

Flexor Carpi Radialis origin

A

Common flexor tendon from medial epicondyle of humerus

310
Q

Flexor Carpi Radialis insertion

A

Bases of second and third metacarpals

311
Q

Flexor Carpi Radialis nerve innervation

A

Median C6, 7,8

312
Q

Palmaris Longus action

A

Tense the palmar fascia
Flex the wrist (radiocarpal joint)
May assist to flex the elbow (humeroulnar joint)

313
Q

Palmaris Longus origin

A

Common flexor tendon from medial epicondyle of humerus

314
Q

Palmaris Longus insertion

A

Flexor retinaculum and palmar aponeurosis

315
Q

Palmaris Longus nerve innervation

A

Median C(6), 7, 8, T1

316
Q

Pectineus action

A

Adduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Assist to flex the hip (coxal joint)

317
Q

Pectineus origin

A

Superior ramus of pubis

318
Q

Pectineus insertion

A

Pectineal line of femur

319
Q

Pectineus nerve innervation

A

Femoral and obturator L2, 3, 4

320
Q

Palmar Interossei action

A

Adduct the thumb, second, fourth, and fifth fingers toward the third finger
Assist to flex the thumb, second, fourth, and fifth fingers at the metacarpophalangeal joints
Assist to extend the thumb, second, fourth, and fifth fingers at the interphalangeal joints

321
Q

Palmar Interossei origin

A

Base of first, second, fourth, and fifth metacarpals

322
Q

Palmar Interossei insertion

A

Base of the proximal phalanx of the related finger and the extensor aponeurosis

323
Q

Palmar Interossei nerve innervation

A

Ulnar C8, T1

324
Q

Flexor Digitorum Profundus action

A

Flex the second through fifth fingers (metacarpophalangeal and distal interphalangeal joints)
Assist to flex the wrist (radiocarpal joint)

325
Q

Flexor Digitorum Profundus origin

A

Anterior and medial surfaces of proximal three-quarters of ulna

326
Q

Flexor Digitorum Profundus insertion

A

Bases of distal phalanges, palmar surface of second through fifth fingers

327
Q

Flexor Digitorum Profundus nerve innervation

A

Second and third fingers: Median C7, 8, T1
Fourth and fifth fingers: Ulnar C7, 8, T1

328
Q

Transverse Abdominis action

A

Compress abdominal contents

329
Q

Transverse Abdominis origin

A

Lateral inguinal ligament, iliac crest, thoracolumbar fascia, and internal surface of lower six ribs

330
Q

Transverse Abdominis insertion

A

Rectus sheath to linea alba

331
Q

Transverse Abdominis nerve innervation

A

T7-12, L1, iliohypogastric and ilioinguinal, ventral divisions

332
Q

Rectus Femoris action

A

Extend the knee (tibiofemoral joint)
Flex the hip (coxal joint)

333
Q

Rectus Femoris origin

A

Anterior inferior iliac spine (AllS)

334
Q

Rectus Femoris insertion

A

Tibial tuberosity (via the patella and patellar ligament)

335
Q

Rectus Femoris nerve innervation

A

Femoral L2, 3, 4

336
Q

Vastus Medialis action

A

Extend the knee (tibiofemoral joint)

337
Q

Vastus Medialis origin

A

Medial lip of linea aspera

338
Q

Vastus Medialis insertion

A

Tibial tuberosity (via the patella and patellar ligament)

339
Q

Vastus Medialis nerve innervation

A

Femoral L2, 3, 4

340
Q

Vastus Lateralis action

A

Extend the knee (tibiofemoral joint)

341
Q

Vastus Lateralis origin

A

Lateral lip of linea aspera, gluteal tuberosity, and greater trochanter

342
Q

Vastus Lateralis insertion

A

Tibial tuberosity (via the patella and patellar ligament)

343
Q

Vastus Lateralis nerve innervation

A

Femoral L2, 3, 4

344
Q

Vastus Intermedius action

A

Extend the knee (tibiofemoral joint)

345
Q

Vastus Intermedius origin

A

Anterior and lateral shaft of the femur

346
Q

Vastus Intermedius insertion

A

Tibial tuberosity (via the patella and patellar ligament)

347
Q

Vastus Intermedius nerve innervation

A

Femoral L2, 3, 4

348
Q

Biceps Femoris action

A

Flex the knee (tibiofemoral joint)
Laterally rotate the flexed knee (T/F joint)
Long head:
Extend the hip (coxal joint)
Long head:
Assist to laterally rotate the hip (coxal joint)
Tilt the pelvis posteriorly

349
Q

Biceps Femoris origin

A

Long head: Ischial tuberosity
Short head: Lateral lip of linea aspera

350
Q

Biceps Femoris insertion

A

Head of the fibula

351
Q

Biceps Femoris nerve innervation

A

Long head: Sciatic (tibial branch) L5, S1, 2, 3
Short head: Sciatic (fibular branch) L5, S1, 2

352
Q

Semitendinosus action

A

Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)
Extend the hip (coxal joint)
Assist to medially rotate the hip (coxal joint)
Tilt the pelvis posteriorly

353
Q

Semitendinosus origin

A

Ischial tuberosity

354
Q

Semitendinosus insertion

A

Proximal, medial shaft of the tibia at pes anserinus tendon

355
Q

Semitendinosus nerve innervation

A

Sciatic (tibial branch) L4, 5, S1, 2

356
Q

Semimembranosus action

A

Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)
Extend the hip (coxal joint)
Assist to medially rotate the hip (coxal joint)
Tilt the pelvis posteriorly

357
Q

Semimembranosus origin

A

Ischial tuberosity

358
Q

Semimembranosus insertion

A

Posterior aspect of medial condyle of tibia

359
Q

Semimembranosus nerve innervation

A

Sciatic (tibial branch) L4, 5, S1, 2

360
Q

Gluteus Maximus action

A

All fibers:
Extend the hip (coxal joint)
Laterally rotate the hip (coxal joint)
Abduct the hip (coxal joint)
Lower fibers:
Adduct the hip (coxal joint)

361
Q

Gluteus Maximus origin

A

Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments

362
Q

Gluteus Maximus insertion

A

Iliotibial tract (upper fibers) and gluteal tuberosity (lower fibers)

363
Q

Gluteus Maximus nerve innervation

A

Inferior gluteal L5, S1, 2

364
Q

Gluteus Medius action

A

All fibers:
Abduct the hip (coxal joint)
Anterior fibers:
Flex the hip (coxal joint)
Medially rotate the hip (coxal joint)
Posterior fibers:
Extend the hip (coxal joint)
Laterally rotate the hip (coxal joint)

365
Q

Gluteus Medius origin

A

Gluteal surface of ilium, between posterior and anterior gluteal lines, just below the iliac crest

366
Q

Gluteus Medius insertion

A

Lateral aspect of greater trochanter

367
Q

Gluteus Medius nerve innervation

A

Superior gluteal L4, 5, S1

368
Q

Gluteus Minimus action

A

Abduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Flex the hip (coxal joint)

369
Q

Gluteus Minimus origin

A

Gluteal surface of the ilium between the anterior and inferior gluteal lines

370
Q

Gluteus Minimus insertion

A

Anterior aspect of greater trochanter

371
Q

Gluteus Minimus nerve innervation

A

Superior gluteal L4, 5, S1

372
Q

Adductor Magnus action

A

Adduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Assist to flex the hip (coxal joint)
Posterior fibers:
Extend the hip (coxal joint)

373
Q

Adductor Magnus origin

A

Inferior ramus of the pubis, ramus of ischium, and ischial tuberosity

374
Q

Adductor Magnus insertion

A

Medial lip of linea aspera and adductor tubercle

375
Q

Adductor Magnus nerve innervation

A

Obturator L2, 3, 4 and sciatic L4, 5, S1

376
Q

Adductor Longus action

A

Adduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Assist to flex the hip (coxal joint)

377
Q

Adductor Longus origin

A

Pubic tubercle

378
Q

Adductor Longus insertion

A

Medial lip of linea aspera

379
Q

Adductor Longus nerve innervation

A

Obturator L2, 3, 4

380
Q

Adductor Brevis action

A

Adduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Assist to flex the hip (coxal joint)

381
Q

Adductor Brevis origin

A

Inferior ramus of pubis

382
Q

Adductor Brevis insertion

A

Pectineal line and medial lip of linea aspera

383
Q

Adductor Brevis nerve innervation

A

Obturator L2, 3, 4

384
Q

Gracilis action

A

Adduct the hip (coxal joint)
Medially rotate the hip (coxal joint)
Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)

385
Q

Gracilis insertion

A

Proximal, medial shaft of tibia at pes anserinus tendon

386
Q

Gracilis origin

A

Inferior ramus of pubis

387
Q

Gracilis nerve innervation

A

Obturator L2, 3, 4

388
Q

Tensor Fasciae Latae action

A

Flex the hip (coxal joint)
Medially rotate the hip (coxal joint)
Abduct the hip (coxal joint)

389
Q

Tensor Fasciae Latae origin

A

Iliac crest, posterior to the ASIS

390
Q

Tensor Fasciae Latae insertion

A

Iliotibial tract

391
Q

Tensor Fasciae Latae nerve innervation

A

Superior gluteal L4, 5, S1

392
Q

Sartorius action

A

Flex the hip (coxal joint)
Laterally rotate the hip (coxal joint)
Abduct the hip (coxal joint)
Flex the knee (tibiofemoral joint)
Medially rotate the flexed knee (T/F joint)

393
Q

Sartorius origin

A

Anterior superior iliac spine (ASIS)

394
Q

Sartorius insertion

A

Proximal, medial shaft of the tibia at pes anserinus tendon

395
Q

Sartorius nerve innervation

A

Femoral L2, 3, (4)

396
Q

Piriformis action

A

Laterally rotate the hip (coxal joint)
Abduct the hip when the hip is flexed

397
Q

Piriformis origin

A

Anterior surface of sacrum

398
Q

Piriformis insertion

A

Superior aspect of greater trochanter

399
Q

Piriformis nerve innervation

A

Sacral plexus L(5), S1, 2

400
Q

Quadratus Femoris action

A

Laterally rotate the hip (coxal joint)

401
Q

Quadratus Femoris origin

A

Lateral border of ischial tuberosity

402
Q

Quadratus Femoris insertion

A

Intertrochanteric crest, between the greater and lesser trochanters

403
Q

Quadratus Femoris nerve innervation

A

Sacral plexus L4, 5, S1, (2)

404
Q

Obturator Externus action

A

Laterally rotate the hip (coxal joint)

405
Q

Obturator Externus origin

A

Rami of pubis and ischium, obturator membrane

406
Q

Obturator Externus insertion

A

Trochanteric fossa of femur

407
Q

Obturator Externus nerve innervation

A

Obturator L3, 4

408
Q

Obturator Internus action

A

Laterally rotate the hip (coxal joint)

409
Q

Obturator Internus origin

A

Obturator membrane and inferior surface of obturator foramen

410
Q

Obturator Internus insertion

A

Medial surface of greater trochanter

411
Q

Obturator Internus nerve innervation

A

Sacral plexus L5, S1, 2

412
Q

Psoas Major action

A

With the origin fixed:
Flex the hip (coxal joint)
May laterally rotate the hip (coxal joint)
With the insertion fixed:
Flex the trunk toward the thigh
Tilt pelvis anteriorly
Unilaterally:
Assist to laterally flex the lumbar spine

413
Q

Psoas Major origin

A

Bodies and transverse processes of lumbar vertebrae

414
Q

Psoas Major insertion

A

Lesser trochanter

415
Q

Psoas Major nerve innervation

A

Lumbar plexus L1, 2, 3, 4

416
Q

Iliacus action

A

With the origin fixed:
Flex the hip (coxal joint)
May laterally rotate the hip (coxal joint)
With the insertion fixed:
Flex the trunk toward the thigh
Tilt pelvis anteriorly

417
Q

Iliacus origin

A

Iliac fossa

418
Q

Iliacus insertion

A

Lesser trochanter

419
Q

Iliacus nerve innervation

A

Femoral L(1), 2, 3, 4

420
Q

Psoas Minor action

A

Assist to create lordotic curvature in the lumbar spine
Tilt pelvis posteriorly

421
Q

Psoas Minor origin

A

Body and transverse process of first lumbar vertebra

422
Q

Psoas Minor insertion

A

Superior ramus of pubis

423
Q

Psoas Minor nerve innervation

A

Lumbar plexus L1, 2

424
Q

Gastrocnemius action

A

Flex the knee (tibiofemoral joint)
Plantar flex the ankle (talocrural joint)

425
Q

Gastrocnemius origin

A

Condyles of the femur, posterior surfaces

426
Q

Gastrocnemius insertion

A

Calcaneus via calcaneal tendon

427
Q

Gastrocnemius nerve innervation

A

Tibial S1, 2

428
Q

Soleus action

A

Plantar flex the ankle (talocrural joint)

429
Q

Soleus origin

A

Soleal line; proximal, posterior surface of tibia; and posterior aspect of head of fibula

430
Q

Soleus insertion

A

Calcaneus via calcaneal tendon

431
Q

Soleus nerve innervation

A

Tibial L5, S1, 2

432
Q

Plantaris action

A

Weak plantar flexion of the ankle (talocrural joint)
Weak flexion of the knee (tibiofemoral joint)

433
Q

Plantaris origin

A

Lateral supracondylar line of femur

434
Q

Plantaris insertion

A

Calcaneus via calcaneal tendon

435
Q

Plantaris nerve innervation

A

Tibial L4, 5, S1, (2)

436
Q

Popliteus action

A

Medially rotate the flexed knee (tibiofemoral joint)
Flex the knee (T/F joint)

437
Q

Popliteus origin

A

Lateral condyle of the femur

438
Q

Popliteus nerve innervation

A

Tibial L4, 5, S1

439
Q

Popliteus insertion

A

Proximal, posterior aspect of tibia

440
Q

Fibularis Longus action

A

Evert the foot
Assist to plantar flex the ankle (talocrural joint)

441
Q

Fibularis Longus origin

A

Head of fibula and proximal two-thirds of lateral fibula

442
Q

Fibularis Longus insertion

A

Base of the first metatarsal and medial cuneiform

443
Q

Fibularis Longus nerve innervation

A

Superficial fibular L4, 5, S1

444
Q

Fibularis Brevis action

A

Evert the foot
Assist to plantar flex the ankle (talocrural joint)

445
Q

Fibularis Brevis origin

A

Distal two-thirds of lateral fibula

446
Q

Fibularis Brevis insertion

A

Tuberosity of fifth metatarsal

447
Q

Fibularis Brevis nerve innervation

A

Superficial fibular L4,5, S1

448
Q

Tibialis Anterior action

A

Invert the foot
Dorsiflex the ankle (talocrural joint)

449
Q

Tibialis Anterior origin

A

Lateral condyle of tibia; proximal, lateral surface of tibia; and interosseous membrane

450
Q

Tibialis Anterior insertion

A

Medial cuneiform and base of the first metatarsal

451
Q

Tibialis Anterior nerve innervation

A

Deep fibular L4, 5, S1

452
Q

Extensor Digitorum Longus action

A

Extend the second through fifth toes (metatarsophalangeal and interphalangeal joints)
Dorsiflex the ankle (talocrural joint)
Evert the foot

453
Q

Extensor Digitorum Longus origin

A

Lateral condyle of tibia; proximal, anterior shaft of fibula; and interosseous membrane

454
Q

Extensor Digitorum Longus insertion

A

Middle and distal phalanges of second through fifth toes

455
Q

Extensor Digitorum Longus nerve innervation

A

Deep fibular L4, 5, $1

456
Q

Extensor Hallucis Longus action

A

Extend the first toe (metatarsophalangeal and interphalangeal joints)
Dorsiflex the ankle (talocrural joint)
Invert the foot

457
Q

Extensor Hallucis Longus origin

A

Middle, anterior surface of fibula and interosseous membrane

458
Q

Extensor Hallucis Longus insertion

A

Distal phalanx of first toe

459
Q

Extensor Hallucis Longus nerve innervation

A

Deep fibular L4, 5, 51

460
Q

Tibialis Posterior action

A

Invert the foot
Plantar flex the ankle (talocrural joint)

461
Q

Tibialis Posterior origin

A

Proximal, posterior shafts of tibia and fibula; and interosseous membrane

462
Q

Tibialis Posterior insertion

A

All five tarsal bones and bases of second through fourth metatarsals

463
Q

Tibialis Posterior nerve innervation

A

Tibial L(4), 5, S1

464
Q

Flexor Digitorum Longus action

A

Flex the second through fifth toes (metatarsophalangeal and interphalangeal joints)
Weak plantar flexion of ankle (talocrural joint)
Invert the foot

465
Q

Flexor Digitorum Longus origin

A

Middle, posterior surface of tibia

466
Q

Flexor Digitorum Longus insertion

A

Distal phalanges of second through fifth toes

467
Q

Flexor Digitorum Longus nerve innervation

A

Tibial L5, S1, (2)

468
Q

Flexor Hallucis Longus action

A

Flex the first toe (metatarsophalangeal and interphalangeal joints)
Weak plantar flexion of ankle (talocrural joint)
Invert the foot

469
Q

Flexor Hallucis Longus origin

A

Middle half of posterior fibula

470
Q

Flexor Hallucis Longus insertion

A

Distal phalanx of first toe

471
Q

Flexor Hallucis Longus nerve innervation

A

Tibial L5, S1, 2

472
Q

Extensor Digitorum Brevis action

A

Extend the second through fourth toes (metatarsophalangeal and interphalangeal joints)

473
Q

Extensor Digitorum Brevis origin

A

Dorsal surface of calcaneus

474
Q

Extensor Digitorum Brevis insertion

A

Second through fourth toes via the extensor digitorum longus tendons

475
Q

Extensor Digitorum Brevis nerve innervation

A

Deep fibular L4, 5, S1

476
Q

Flexor Digitorum Brevis action

A

Flex middle phalanges of the second through fifth toes (proximal interphalangeal joints)

477
Q

Flexor Digitorum Brevis origin

A

Medial process of calcaneus and plantar aponeurosis

478
Q

Flexor Digitorum Brevis insertion

A

Middle phalanges of second through fifth toes

479
Q

Flexor Digitorum Brevis nerve innervation

A

Tibial L4, 5, S1

480
Q

Abductor Hallucis action

A

Abduct the first toe (metatarsophalangeal joint)
Assist to flex the first toe (metatarsophalangeal joint)

481
Q

Abductor Hallucis origin

A

Medial process of calcaneus and plantar aponeurosis

482
Q

Abductor Hallucis insertion

A

Proximal phalanx of first toe (medial surface) and medial sesamoid bone

483
Q

Abductor Hallucis nerve innervation

A

Tibial L4, 5, S1

484
Q

Abductor Digiti Minimi action

A

Flex the fifth toe
Assist to abduct the fifth toe (metatarsophalangeal joint)

485
Q

Abductor Digiti Minimi origin

A

Lateral process of calcaneus and plantar aponeurosis

486
Q

Abductor Digiti Minimi insertion

A

Proximal phalanx of fifth toe (lateral surface)

487
Q

Abductor Digiti Minimi nerve innervation

A

Tibial S1, 2

488
Q

Extensor Hallucis Brevis action

A

Extend the first toe (metatarsophalangeal joint)

489
Q

Extensor Hallucis Brevis origin

A

Dorsal surface of calcaneus

490
Q

Extensor Hallucis Brevis insertion

A

Proximal phalanx of first toe

491
Q

Extensor Hallucis Brevis nerve innervation

A

Deep fibular L4, 5, S1

492
Q

Flexor Hallucis Brevis action

A

Flex the first toe (metatarsophalangeal joint)

493
Q

Flexor Hallucis Brevis origin

A

Plantar surfaces of cuboid and lateral cuneiform

494
Q

Flexor Hallucis Brevis insertion

A

Medial and lateral surfaces of base of proximal phalanx of first toe

495
Q

Flexor Hallucis Brevis nerve innervation

A

Tibial L4, 5, S1

496
Q

Adductor Hallucis action

A

Adduct the first toe
Assist to maintain transverse arch of foot
Assist to flex the first toe

497
Q

Adductor Hallucis origin

A

Oblique head:
Bases of second through fourth metatarsals
Transverse head:
Plantar ligament of third through fifth metatarsophalangeal joints

498
Q

Adductor Hallucis insertion

A

Lateral surface of base of proximal phalanx of first toe

499
Q

Adductor Hallucis nerve innervation

A

Tibial S1, 2

500
Q

Flexor Digiti Minimi Brevis action

A

Flex the fifth toe (metatarsophalangeal joint)

501
Q

Flexor Digiti Minimi Brevis origin

A

Base of fifth metatarsal

502
Q

Flexor Digiti Minimi Brevis insertion

A

Base of proximal phalanx of fifth toe

503
Q

Flexor Digiti Minimi Brevis nerve innervation

A

Tibial S1, 2

504
Q

Quadratus Plantae action

A

Assist flexor digitorum longus to flex 2nd-5th toes

505
Q

Quadratus Plantae origin

A

Medial and lateral sides of plantar surface of calcaneus

506
Q

Quadratus Plantae insertion

A

Posterior, lateral aspect of flexor digitorum longus tendon

507
Q

Quadratus Plantae nerve innervation

A

Tibial S1, 2

508
Q

Plantar Interossei action

A

Adduct 3rd-5th toes (metatarsophalangeal joints)
Flex 3rd-5th toes (metatarsophalangeal joints)

509
Q

Plantar Interossei origin

A

Medial surfaces of 3rd-5th metatarsals

510
Q

Plantar Interossei insertion

A

Medial surfaces of proximal phalanges of 3rd-5th toes

511
Q

Plantar Interossei nerve innervation

A

Tibial S1, 2

512
Q

Dorsal Interossei action

A

Abduct 2nd-4th toes (metatarsophalangeal joints)
Flex 2nd-4th toes (metatarsophalangeal joints)

513
Q

Dorsal Interossei origin

A

Adjacent surfaces of all metatarsals

514
Q

Dorsal Interossei insertion

A

First: Medial surface of proximal phalanx of 2nd toe Second through fourth: Lateral surfaces of proximal phalanges of 2nd-4th toes

515
Q

Dorsal Interossei nerve innervation

A

Tibial S1, 2

516
Q

Lumbricals of the Foot action

A

Flex the proximal phalanges of the 2nd-5th toes at the metatarsophalangeal joints
Extend the middle and distal phalanges of the 2nd-5th toes at the interphalangeal joints

517
Q

Lumbricals of the Foot origin

A

Tendons of flexor digitorum longus

518
Q

Lumbricals of the Foot insertion

A

Bases of proximal phalanges of 2nd-5th toes and extensor digitorum longus tendons (on dorsal surface of the toes)

519
Q

Lumbricals of the Foot nerve innervation

A

First: Tibial L4,5, S1
Second through fourth: Tibial L(4), (5), S1, 2

520
Q

Pyramidalis action

A

Tenses the linea alba

521
Q

Pyramidalis origin

A

Pubic symphysis

522
Q

Pyramidalis insertion

A

Linea alba

523
Q

Pyramidalis nerve innervation

A

Twelfth thoracic nerve

524
Q

Intertransversarii action

A

Unilaterally: Laterally flex the vertebral column to the same side
Bilaterally: Extend the vertebral column

525
Q

Intertransversarii origin and insertion

A

Cervical: Spanning the transverse processes of vertebrae
C-2 to C-7
Lumbar: Spanning the transverse processes of vertebrae
L-1 to L-5

526
Q

Intertransversarii nerve innervation

A

Spinal

527
Q

Gemellus Superior action

A

Laterally rotate the hip (coxal joint)

528
Q

Gemellus Superior origin

A

Ischial spine

529
Q

Gemellus Superior insertion

A

Medial surface of greater trochanter

530
Q

Gemellus Superior nerve innervation

A

Sacral plexus L5, S1, 2

531
Q

Gemellus Inferior action

A

Laterally rotate the hip (coxal joint)

532
Q

Gemellus Inferior origin

A

Ischial tuberosity

533
Q

Gemellus Inferior nerve innervation

A

Sacral plexus L4, 5, S1, (2)

534
Q

Gemellus Inferior insertion

A

Medial surface of greater trochanter

535
Q

Oblique Capitis Inferior action

A

Rotate the head to the same side
Laterally flex the head to the same side

536
Q

Oblique Capitis Inferior origin

A

Spinous process of the axis (C-2)

537
Q

Oblique Capitis Inferior insertion

A

Transverse process of the atlas (C-1)

538
Q

Oblique Capitis Inferior nerve innervation

A

Suboccipital

539
Q

Oblique Capitis Superior action

A

Rock and tilt the head back into extension
Laterally flex the head to the same side

540
Q

Oblique Capitis Superior origin

A

Transverse process of the atlas (C-1)

541
Q

Oblique Capitis Superior insertion

A

Between the nuchal lines of the occiput

542
Q

Oblique Capitis Superior nerve innervation

A

Suboccipital

543
Q

Rectus Capitis Posterior Minor action

A

Rock and tilt the head back into extension

544
Q

Rectus Capitis Posterior Minor origin

A

Tubercle of the posterior arch of the atlas (C-1)

545
Q

Rectus Capitis Posterior Minor insertion

A

Inferior nuchal line of the occiput

546
Q

Rectus Capitis Posterior Minor nerve innervation

A

Suboccipital

547
Q

Rectus Capitis Posterior Major action

A

Rock and tilt the head back into extension
Rotate the head to the same side

548
Q

Rectus Capitis Posterior Major origin

A

Spinous process of the axis (C-2)

549
Q

Rectus Capitis Posterior Major insertion

A

Inferior nuchal line of the occiput

550
Q

Rectus Capitis Posterior Major nerve innervation

A

Suboccipital

Muscles, Bones (2 decks)

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