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Vicars Study > Muscles > Flashcards

Muscles Flashcards

1
Q

ACTION: EXTENSOR HALLUCIS LONGUS

A

· Extend the first toe

· Dorsiflex the ankle

· Invert the foot

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2
Q

ACTION: PLANTARIS

A

· Weak plantar flexion of the ankle

· Weak flexion of the knee

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3
Q

ACTION: FLEXOR HALLUCIS LONGUS

A

· Flex the first toe · Weak plantar flexion of the ankle · Invert the foot

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4
Q

ACTION: FLEXOR DIGITORUM LONGUS

A

· Flex the second through fifth toes · Weak plantar flexion of the ankle · Invert the foot

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5
Q

ACTION: TIBIALIS POSTERIOR

A

· Invert the foot · Plantar flex the ankle

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6
Q

ACTION: FIBULARIS BREVIS

A

· Evert the foot · Assist to plantar flex the ankle

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7
Q

ACTION: EXTENSOR DIGITORUM LONGUS

A

· Extend the second through fifth toes · Dorsiflex the ankle · Evert the foot

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8
Q

ACTION: TIBIALIS ANTERIOR

A

· Invert the foot

· Dorsiflex the ankle

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9
Q

ACTION: FIBULARIS LONGUS

A

· Evert the foot · Assist to plantar flex the ankle

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10
Q

ACTION: POPLITEUS

A

· Medially rotate the flexed knee · Flex the knee

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11
Q

ACTION: SOLEUS

A

· Plantar flex the ankle

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12
Q

ACTION: GASTROCNEMIUS

A

· Flex the knee

· Plantar flex the ankle

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13
Q

ACTION: FLEXOR DIGITORUM PROFUNDUS

A

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

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14
Q

ACTION: EXTENSOR DIGITORUM

A

· Extend the second through fifth fingers

(metacarpophalangeal and interphalangeal joints)

· Assist to extend the wrist

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15
Q

ACTION: FLEXOR DIGITORUM SUPERFICIALIS

A

· Flex the second through fifth fingers (metacarpophalangeal and proximal interphalangeal joints) · Flex the wrist

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16
Q

ACTION: FLEXOR CARPI ULNARIS

A

· Flex the wrist · Adduct the wrist · Assist to flex the elbow

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17
Q

ACTION: EXTENSOR CARPI ULNARIS

A

· Extend the wrist

· Adduct the wrist

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18
Q

ACTION:

EXTENSOR CARPI RADIALIS BREVIS

A

· Extend the wrist

· Abduct the wrist

· Assist to flex the elbow

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19
Q

ACTION: EXTENSOR INDICIS

A

· Extend the second finger · Adduct the second finger · May assist to extend the wrist

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20
Q

ACTION: PALMARIS LONGUS

A

· Tense the palmar fascia · Flex the wrist · May assist to flex the elbow

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21
Q

ACTION:

EXTENSOR CARPI RADIALIS LONGUS

A

· Extend the wrist

· Abduct the wrist

· Assist to flex the elbow

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22
Q

ACTION: FLEXOR CARPI RADIALIS

A

· Flex the wrist · Abduct the wrist · May assist to flex the elbow

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23
Q

ACTION: DELTOID

A

All fibers:

· Abduct the shoulder

Anterior fibers:

· Flex the shoulder

· Medially rotate the shoulder

· Horizontally adduct the shoulder

Posterior fibers:

· Extend the shoulder

· Laterally rotate the shoulder

· Horizontally abduct the shoulder

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24
Q

ORIGIN: DELTOID

A

· Lateral 1/3 of clavicle

· Acromion

· Spine of scapula

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25
Q

INSERTION: DELTOID

A

Deltoid tuberosity

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26
Q

ACTION: RHOMBOID MINOR

A

· Adduct the scapula · Elevate the scapula · Downwardly rotate the scapula

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27
Q

ORIGIN: RHOMBOID MINOR

A

· Spinous processes of C-7 and T-1

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28
Q

INSERTION: RHOMBOID MINOR

A

· Upper portion of medial border of scapula, across from spine of scapula

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29
Q

ACTION: TRAPEZIUS

A

Upper fibers:

Bilaterally:

· Extend the head and neck

Unilaterally:

· Laterally flex the head and neck to the same side

· Rotate the head and neck to the opposite side

· Elevate the scapula

· Upwardly rotate the scapula

Middle fibers:

· Adduct the scapula

· Stabilize the scapula

Lower fibers:

· Depress the scapula

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30
Q

ORIGIN: TRAPEZIUS

A

· External occipital protuberance

· Medial portion of superior nuchal line of occiput

· Ligamentum nuchae

· Spinous processes of C-7 through T-12

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31
Q

INSERTION: TRAPEZIUS

A

· Lateral 1/3 of clavicle

· Acromion

· Spine of scapula

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32
Q

ACTION: LEVATOR SCAPULA

A

Unilaterally: · Elevate the scapula · Downwardly rotate the scapula · Laterally flex the head and neck · Rotate the head and neck to the same side Bilaterally: · Extend the head and neck

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33
Q

ORIGIN: LEVATOR SCAPULA

A

· Transverse processes of C-1 through C-4

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34
Q

INSERTION: LEVATOR SCAPULA

A

· Medial border of scapula, between superior angle and superior portion of spine of scapula

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35
Q

ACTION: LATISSIMUS DORSI

A

· Extend the shoulder · Adduct the shoulder · Medially rotate the shoulder

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36
Q

ORIGIN: LATISSIMUS DORSI

A

· Inferior angle of scapula

· Spinous processes of last six thoracic vertebrae

· Last three or four ribs

· Thoracolumbar fascia

· Posterior iliac crest

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37
Q

INSERTION: LATISSIMUS DORSI

A

· Intertubercular groove of humerus

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38
Q

ACTION: SERRATUS ANTERIOR

A

With the origin fixed: · Abduct the scapula · Upwardly rotate the scapula · Depress the scapula · Hold the medial border of the scapula against the ribcage With the scapula fixed: · May act to elevate the thorax during forced inhalation

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39
Q

ORIGIN: SERRATUS ANTERIOR

A

· External surfaces of first eight or nine ribs

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40
Q

INSERTION: SERRATUS ANTERIOR

A

· Anterior surface of medial border of scapula

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41
Q

ACTION: TERES MAJOR

A

· Extend the shoulder

· Adduct the shoulder

· Medially rotate the shoulder

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42
Q

ORIGIN: TERES MAJOR

A

· Inferior angle of scapula

· Lower 1/3 of lateral border of scapula

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43
Q

INSERTION: TERES MAJOR

A

· Crest of lesser tubercle of humerus

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44
Q

ACTION: PECTORALIS MAJOR

A

All fibers: · Adduct the shoulder · Medially rotate the shoulder · Assist to elevate the thorax during forced inhalation (with the arm fixed) Upper fibers: · Flex the shoulder · Horizontally adduct the shoulder Lower fibers: · Extend the shoulder

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45
Q

ORIGIN: PECTORALIS MAJOR

A

· Medial ½ of clavicle · Sternum · Cartilage of first through sixth ribs

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46
Q

INSERTION: PECTORALIS MAJOR

A

· Crest of greater tubercle of humerus

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47
Q

ACTION: SUPRASPINATUS

A

· Abduct the shoulder

· Stabilize the head of the humerus in the glenoid

cavity

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48
Q

ORIGIN: SUPRASPINATUS

A

· Supraspinous fossa of scapula

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49
Q

INSERTION: SUPRASPINATUS

A

· Greater tubercle of humerus

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50
Q

ACTION: PECTORALIS MINOR

A

· Depress the scapula · Abduct the scapula · Downwardly rotate the scapula With the scapula fixed: · Assist to elevate the thorax during forced inhalation

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51
Q

ORIGIN: PECTORALIS MINOR

A

· Third, fourth, and fifth ribs

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52
Q

INSERTION: PECTORALIS MINOR

A

· Medial surface of coracoid process of scapula

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53
Q

ACTION: INFRASPINATUS

A

· Laterally rotate the shoulder

· Adduct the shoulder

· Stabilize the head of the humerus in the glenoid

cavity

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54
Q

ORIGIN: INFRASPINATUS

A

· Infraspinous fossa of scapula

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55
Q

INSERTION: INFRASPINATUS

A

· Greater tubercle of humerus

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56
Q

ACTION: SUBCLAVIUS

A

· Depress the clavicle and draw it anteriorly · Elevate the first rib (to assist during inhalation) · Stabilize the sternoclavicular joint

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57
Q

ORIGIN: SUBCLAVIUS

A

· First rib and cartilage

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58
Q

INSERTION: SUBCLAVIUS

A

· Inferior surface of middle 1/3 of clavicle

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59
Q

ACTION: TERES MINOR

A

· Laterally rotate the shoulder

· Adduct the shoulder

· Stabilize the head of the humerus in the glenoid

cavity

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60
Q

ORIGIN: TERES MINOR

A

· Upper 2/3 of lateral border of scapula

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61
Q

INSERTION: TERES MINOR

A

· Greater tubercle of humerus

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62
Q

ACTION: BICEPS BRACHII

A

· Flex the elbow · Supinate the forearm · Flex the shoulder

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63
Q

ORIGIN: BICEPS BRACHII

A

Short head: · Coracoid process of scapula Long head: · Supraglenoid tubercle of scapula

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64
Q

INSERTION: BICEPS BRACHII

A

· Tuberosity of radius · Aponeurosis of biceps brachii

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65
Q

ACTION: TRICEPS BRACHII

A

All heads: · Extend the elbow Long head: · Extend the shoulder · Adduct the shoulder

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66
Q

ORIGIN: TRICEPS BRACHII

A

Long head: · Infraglenoid tubercle of scapula Lateral head: · Posterior surface of proximal ½ of humerus Medial head: · Posterior surface of distal ½ of humerus

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67
Q

INSERTION: TRICEPS BRACHII

A

· Olecranon process of ulna

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68
Q

ACTION: SUBSCAPULARIS

A

· Medially rotate the shoulder

· Stabilize the head of the humerus in the glenoid

cavity

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69
Q

ORIGIN: SUBSCAPULARIS

A

· Subscapular fossa of scapula

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70
Q

INSERTION: SUBSCAPULARIS

A

· Lesser tubercle of humerus

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71
Q

ACTION: RHOMBOID MAJOR

A

· Adduct the scapula

· Elevate the scapula

· Downwardly rotate the scapula

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72
Q

ORIGIN: RHOMBOID MAJOR

A

· Spinous processes of T-2 through T-5

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73
Q

INSERTION: RHOMBOID MAJOR

A

· Medial border or scapula, between spine of

scapula and inferior angle

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74
Q

ACTION: CORACOBRACHIALIS

A

· Flex the shoulder · Adduct the shoulder

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75
Q

ORIGIN: CORACOBRACHIALIS

A

· Coracoid process of scapula

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76
Q

INSERTION: CORACOBRACHIALIS

A

· Medial surface of mid-humeral shaft

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77
Q

ACTION: BRACHIALIS

A

· Flex the elbow

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78
Q

ORIGIN: BRACHIALIS

A

· Distal ½ of anterior surface of humerus

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79
Q

INSERTION: BRACHIALIS

A

· Ulnar tuberosity

· Coronoid process of ulna

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80
Q

ACTION: SUPINATOR

A

· Supinate the forearm

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81
Q

ORIGIN: SUPINATOR

A

· Lateral epicondyle of humerus · Radial collateral ligament · Annular ligament · Supinator crest of ulna

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82
Q

INSERTION: SUPINATOR

A

· Anterior, lateral surface of proximal 1/3 of radial shaft

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83
Q

ACTION: BRACHIORADIALIS

A

· Flex the elbow

· Assist to pronate and supinate the forearm when

these movements are resisted

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84
Q

ORIGIN: BRACHIORADIALIS

A

· Proximal 2/3 of lateral supracondylar ridge of

humerus

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85
Q

INSERTION: BRACHIORADIALIS

A

· Styloid process of radius

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86
Q

ORIGIN: FLEXOR CARPI RADIALIS

A

· Common flexor tendon from the medial epicondyle of humerus

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87
Q

INSERTION: FLEXOR CARPI RADIALIS

A

· Bases of second and third metacarpals

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88
Q

ORIGIN:

EXTENSOR CARPI RADIALIS LONGUS

A

· Distal 1/3 of lateral supracondylar ridge of humerus

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89
Q

INSERTION:

EXTENSOR CARPI RADIALIS LONGUS

A

· Base of second metacarpal

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90
Q

ORIGIN: PALMARIS LONGUS

A

· Common flexor tendon from medial epicondyle of humerus

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91
Q

INSERTION: PALMARIS LONGUS

A

· Flexor retinaculum · Palmar aponeurosis

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92
Q

ORIGIN:

EXTENSOR CARPI RADIALIS BREVIS

A

· Common extensor tendon from lateral epicondyle

of humerus

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93
Q

INSERTION:

EXTENSOR CARPI RADIALIS BREVIS

A

· Base of third metacarpal

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94
Q

ORIGIN: FLEXOR CARPI ULNARIS

A

Humeral head: · Common flexor tendon from medial epicondyle of humerus Ulnar head: · Posterior surface of proximal 2/3 of ulna

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95
Q

INSERTION: FLEXOR CARPI ULNARIS

A

· Pisiform · Hook of hamate · Base of fifth metacarpal

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96
Q

ORIGIN: EXTENSOR CARPI ULNARIS

A

· Common extensor tendon from lateral epicondyle of humerus

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97
Q

INSERTION: EXTENSOR CARPI ULNARIS

A

· Base of fifth metacarpal

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98
Q

ORIGIN: FLEXOR DIGITORUM SUPERFICIALIS

A

· Common flexor tendon from medial epicondyle of humerus · Ulnar collateral ligament · Coronoid process of ulna · Interosseous membrane · Proximal shaft of radius

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99
Q

INSERTION: FLEXOR DIGITORUM SUPERFICIALIS

A

· Sides of middle phalanges of second through fifth fingers

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100
Q

ORIGIN: EXTENSOR DIGITORUM

A

· Common extensor tendon from lateral epicondyle

of humerus

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101
Q

INSERTION: EXTENSOR DIGITORUM

A

· Bases of middle and distal phalanges of second

through fifth fingers

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102
Q

ACTION: ANCONEUS

A

· Extend the elbow

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103
Q

ORIGIN: ANCONEUS

A

· Lateral epicondyle of humerus

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104
Q

INSERTION: ANCONEUS

A

· Olecranon process

· Posterior surface of proximal ulna

105
Q

ORIGIN: FLEXOR DIGITORUM PROFUNDUS

A

· Anterior and medial surfaces of proximal ¾ of ulna

106
Q

INSERTION: FLEXOR DIGITORUM PROFUNDUS

A

· Bases of distal phalanges · Palmar surface of second through fifth fingers

107
Q

ACTION: PRONATOR TERES

A

· Pronate the forarm · Assist to flex the elbow

108
Q

ORIGIN: PRONATOR TERES

A

· Common flexor tendon from medial epicondyle of humerus · Coronoid process of ulna

109
Q

INSERTION: PRONATOR TERES

A

· Lateral surface of the middle of the radius

110
Q

ORIGIN: EXTENSOR INDICIS

A

· Posterior surface of distal shaft of ulna

· Interosseous membrane

111
Q

INSERTION: EXTENSOR INDICIS

A

· Tendon of extensor digitorum at the level of second

metacarpal

112
Q

ACTION: PRONATOR QUADRATUS

A

· Pronate the forearm

113
Q

ORIGIN: PRONATOR QUADRATUS

A

· Anterior, medial surface of distal ulna

114
Q

INSERTION: PRONATOR QUADRATUS

A

· Anterior and lateral surfaces of distal radius

115
Q

ACTION: SPLENIUS CAPITIS

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

116
Q

ORIGIN: SPLENIUS CAPITIS

A

· Inferior ½ of ligamentum nuchae

· Spinous processes of C-7 through T-4

117
Q

INSERTION: SPLENIUS CAPITIS

A

· Mastoid process

· Lateral portion of superior nuchal line

118
Q

ACTION: INTERNAL OBLIQUE

A

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

119
Q

ORIGIN: INTERNAL OBLIQUE

A

· Lateral inguinal ligament · Iliac crest · Thoracolumbar fascia

120
Q

INSERTION: INTERNAL OBLIQUE

A

· Internal surface of lower three ribs · Rectus sheath to linea alba

121
Q

ACTION: SPLENIUS CERVICIS

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

122
Q

ORIGIN: SPLENIUS CERVICIS

A

· Spinous processes of T-3 through T-6

123
Q

INSERTION: SPLENIUS CERVICIS

A

· Transverse processes of C-1 through C-3

124
Q

ACTION: TRANSVERSE ABDOMINIS

A

· Compress the abdominal contents

125
Q

ORIGIN: TRANSVERSE ABDOMINIS

A

· Lateral inguinal ligament · Iliac crest · Thoracolumbar fascia · Internal surface of lower six ribs

126
Q

INSERTION: TRANSVERSE ABDOMINIS

A

· Rectus sheath to linea alba

127
Q

ACTION: QUADRATUS LUMBORUM

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

128
Q

ORIGIN: QUADRATUS LUMBORUM

A

· Posterior iliac crest

129
Q

INSERTION: QUADRATUS LUMBORUM

A

· Last rib

· Transverse processes of L-1 through L-4

130
Q

ACTION: DIAPHRAGM

A

· Draw down the central tendon of the diaphragm · Increase the volume of the thoracic cavity during inhalation

131
Q

ORIGIN: DIAPHRAGM

A

Costal attachment: · Inner surface of lower six ribs Lumbar attachment: · Upper two or three lumbar vertebrae Sternal attachment: · Inner part of xiphoid process

132
Q

INSERTION: DIAPHRAGM

A

· Central tendon

133
Q

ACTION: RECTUS ABDOMINIS

A

· Flex the vertebral column

· Tilt the pelvis posteriorly

134
Q

ORIGIN: RECTUS ABDOMINIS

A

· Pubic crest

· Pubic symphysis

135
Q

INSERTION: RECTUS ABDOMINIS

A

· Cartilage of fifth, sixth, and seventh ribs

· Xyphoid process

136
Q

ACTION: SERRRATUS POSTERIOR SUPERIOR

A

· Elevate the ribs during inhalation

137
Q

ORIGIN: SERRATUS POSTERIOR SUPERIOR

A

· Spinous processes of C-7 through T-3

138
Q

INSERTION: SERRATUS POSTERIOR SUPERIOR

A

· Posterior surface of second through fifth ribs

139
Q

ACTION: EXTERNAL OBLIQUE

A

Unilaterally:

· Laterally flex vertebral column to the same side

· Rotate vertebral column to the opposite side

Bilaterally:

· Flex the vertebral column

· Compress the abdominal contents

140
Q

ORIGIN: EXTERNAL OBLIQUE

A

· External surfaces of lower eight ribs

141
Q

INSERTION: EXTERNAL OBLIQUE

A

· Anterior part of iliac crest · Rectus sheath to linea alba

142
Q

ACTION: SERRATUS POSTERIOR INFERIOR

A

· Depress the ribs during exhalation

143
Q

ORIGIN: SERRATUS POSTERIOR INFERIOR

A

· Spinous processes of T-12 through L-3

144
Q

INSERTION: SERRATUS POSTERIOR INFERIOR

A

· Posterior surface of ninth through twelfth ribs (lower four ribs)

145
Q

ACTION: RECTUS FEMORIS

A

· Extend the knee

· Flex the hip

146
Q

ORIGIN: RECTUS FEMORIS

A

· Anterior inferior iliac spine (AIIS)

147
Q

INSERTION: RECTUS FEMORIS

A

· Tibial tuberosity, via the patella and patellar

ligament

148
Q

ACTION: VASTUS LATERALIS

A

· Extend the knee

149
Q

ORIGIN: VASTUS LATERALIS

A

· Lateral lip of linea aspera

· Gluteal tuberosity

· Greater trochanter

150
Q

INSERTION: VASTUS LATERALIS

A

· Tibial tuberosity, via the patella and patellar

ligament

151
Q

ACTION: VASTUS MEDIALIS

A

· Extend the knee

152
Q

ORIGIN: VASTUS MEDIALIS

A

· Medial lip of linea aspera

153
Q

INSERTION: VASTUS MEDIALIS

A

· Tibial tuberosity, via the patella and patellar ligament

154
Q

ACTION: VASTUS INTERMEDIUS

A

· Extend the knee

155
Q

ORIGIN: VASTUS INTERMEDIUS

A

· Anterior, lateral shaft of femur

156
Q

INSERTION: VASTUS INTERMEDIUS

A

· Tibial tuberosity, via the patella and patellar ligament

157
Q

ACTION: BICEPS FEMORIS

A

· Flex the knee

· Laterally rotate the flexed knee

Long head:

· Extend the hip

· Assist to laterally rotate the hip

· Tilt the pelvis posteriorly

158
Q

ORIGIN: BICEPS FEMORIS

A

Long head:

· Ischial tuberosity

Short head:

· Lateral lip of linea aspera

159
Q

INSERTION: BICEPS FEMORIS

A

· Head of the fibula

160
Q

ACTION: SEMITENDINOSUS

A

· Flex the knee · Medially rotate the flexed knee · Extend the hip · Assist to medially rotate the hip · Tilt the pelvis posteriorly

161
Q

ORIGIN: SEMITENDINOSUS

A

· Ischial tuberosity

162
Q

INSERTION: SEMITENDINOSUS

A

· Medial surface of proximal shaft of tibia, at pes anserinus tendon

163
Q

ACTION: SEMIMEMBRANOSUS

A

· Flex the knee · Medially rotate the flexed knee · Extend the hip · Assist to medially rotate the thip · Tilt the pelvis posteriorly

164
Q

ORIGIN: SEMIMEMBRANOSUS

A

· Ischial tuberosity

165
Q

INSERTION: SEMIMEMBRANOSUS

A

· Posterior aspect of medial condyle of tibia

166
Q

ACTION: GLUTEUS MAXIMUS

A

All fibers: · Extend the hip · Laterally rotate the hip · Abduct the hip Lower fibers: · Adduct the hip

167
Q

ORIGIN: GLUTEUS MAXIMUS

A

· Coccyx · Edge of sacrum · Posterior iliac crest · Sacrotuberous ligament · Sacroiliac ligament

168
Q

INSERTION: GLUTEUS MAXIMUS

A

Upper fibers: · Iliotibial tract Lower fibers: · Gluteal tuberosity (of femur)

169
Q

ACTION: GLUTEUS MEDIUS

A

All fibers:

· Abduct the hip

Anterior fibers:

· Flex the hip

· Medially rotate the hip

Posterior fibers:

· Extend the hip

· Laterally rotate the hip

170
Q

ORIGIN: GLUTEUS MEDIUS

A

· Gluteal surface of ilium, between posterior and

anterior gluteal lines, just inferior to iliac crest

171
Q

INSERTION: GLUTEUS MEDIUS

A

· Lateral aspect of greater trochanter

172
Q

ACTION: GLUTEUS MINIMUS

A

· Abduct the hip · Medially rotate the hip · Flex the hip

173
Q

ORIGIN: GLUTEUS MINIMUS

A

· Gluteal surface of ilium, between anterior and inferior gluteal lines

174
Q

INSERTION: GLUTEUS MINIMUS

A

· Anterior aspect of greater trochanter

175
Q

ACTION: ADDUCTOR MAGNUS

A

· Adduct the hip

· Medially rotate the hip

· Assist to flex the hip

Posterior fibers:

· Extend the hip

176
Q

ORIGIN: ADDUCTOR MAGNUS

A

· Inferior ramus of pubis · Ramus of ischium · Ischial tuberosity

177
Q

INSERTION: ADDUCTOR MAGNUS

A

· Medial lip of linea aspera

· Adductor tubercle

178
Q

ACTION: ADDUCTOR LONGUS

A

· Adduct the hip · Medially rotate the hip · Assist to flex the hip

179
Q

ORIGIN: ADDUCTOR LONGUS

A

· Pubic tubercle

180
Q

INSERTION: ADDUCTOR LONGUS

A

· Medial lip of linea aspera

181
Q

ACTION: ADDUCTOR BREVIS

A

· Adduct the hip

· Medially rotate the hip

· Assist to flex the hip

182
Q

ORIGIN: ADDUCTOR BREVIS

A

· Inferior ramus of pubis

183
Q

INSERTION: ADDUCTOR BREVIS

A

· Pectineal line

· Medial lip of linea aspera

184
Q

ACTION: GRACILIS

A

· Adduct the hip

· Medially rotate the hip

· Flex the knee

· Medially rotate the flexed knee

185
Q

ORIGIN: GRACILIS

A

· Inferior ramus of pubis

186
Q

ACTION: PECTINEUS

A

· Adduct the hip · Medially rotate the hip · Assist to flex the hip

187
Q

INSERTION: GRACILIS

A

· Medial surface of proximal shaft of tibia, at pes

anserinus tendon

188
Q

ORIGIN: PECTINEUS

A

· Superior ramus of pubis

189
Q

INSERTION: PECTINEUS

A

· Pectineal line of femur

190
Q

ACTION: TENSOR FASCIAE LATAE

A

· Flex the hip · Medially rotate the hip · Abduct the hip

191
Q

ORIGIN: TENSOR FASCIAE LATAE

A

· Iliac crest, posterior to the anterior superior iliac spine (ASIS)

192
Q

INSERTION: TENSOR FASCIAE LATAE

A

· Iliotibial tract

193
Q

ACTION: SARTORIUS

A

· Flex the hip

· Laterally rotate the hip

· Abduct the hip

· Flex the knee

· Medially rotate the flexed knee

194
Q

ORIGIN: SARTORIUS

A

· Anterior superior iliac spine (ASIS)

195
Q

INSERTION: SARTORIUS

A

· Medial surface of proximal shaft of tibia, at pes anserinus tendon

196
Q

ACTION: PIRIFORMIS

A

o Laterally rotate hip when extended or in neutral
o Horizontally abduct when hip is flexed to 90 degrees
o Internally rotate when hip is fully flexed

197
Q

ORIGIN: PIRIFORMIS

A

· Anterior surface of sacrum

198
Q

INSERTION: PIRIFORMIS

A

· Superior aspect of greater trochanter

199
Q

ACTION: ILIACUS

A

With the origin fixed:

· Flex the hip

· May laterally rotate the hip

With the insertion fixed:

· Flex the trunk toward the thigh

· Tilt the pelvis anteriorly

200
Q

ORIGIN: ILIACUS

A

· Iliac fossa

201
Q

INSERTION: ILIACUS

A

· Lesser trochanter

202
Q

ACTION: PSOAS MAJOR

A

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

203
Q

ORIGIN: PSOAS MAJOR

A

· Bodies and transverse processes of lumbar vertebrae

204
Q

INSERTION: PSOAS MAJOR

A

· Lesser trochanter

205
Q

ORIGIN: GASTROCNEMIUS

A

· Posterior surfaces of condyles of femur

206
Q

INSERTION: GASTROCNEMIUS

A

· Calcaneus, via the calcaneal tendon

207
Q

ORIGIN: PLANTARIS

A

· Lateral supracondylar line of femur

208
Q

INSERTION: PLANTARIS

A

· Calcaneus, via the calcaneal tendon

209
Q

ORIGIN: SOLEUS

A

· Soleal line · Posterior surface of proximal tibia · Posterior aspect of head of fibula

210
Q

INSERTION: SOLEUS

A

· Calcaneus, via the calcaneal tendon

211
Q

ORIGIN: POPLITEUS

A

· Lateral condyle of femur

212
Q

INSERTION: POPLITEUS

A

· Posterior surface of proximal tibia

213
Q

ORIGIN: FIBULARIS LONGUS

A

· Head of fibula

· Proximal 2/3 of lateral fibula

214
Q

INSERTION: FIBULARIS LONGUS

A

· Base of first metatarsal

· Medial cuneiform

215
Q

ORIGIN: TIBIALIS ANTERIOR

A

· Lateral condyle of tibia

· Lateral surface of proximal tibia

· Interosseous membrane

216
Q

INSERTION: TIBIALIS ANTERIOR

A

· Medial cuneiform

· Base of first metatarsal

217
Q

ORIGIN: FIBULARIS BREVIS

A

· Distal 2/3 of lateral fibula

218
Q

INSERTION: FIBULARIS BREVIS

A

· Tuberosity of fifth metatarsal

219
Q

ORIGIN: EXTENSOR DIGITORUM LONGUS

A

· Lateral condyle of tibia · Anterior surface of proximal shaft of fibula · Interosseous membrane

220
Q

INSERTION: EXTENSOR DIGITORUM LONGUS

A

· Middle and distal phalanges of second through fifth toes

221
Q

ORIGIN: EXTENSOR HALLUCIS LONGUS

A

· Anterior surface of the middle of the fibula

· Interosseous membrane

222
Q

INSERTION:

EXTENSOR HALLUCIS LONGUS

A

· Distal phalanx of first toe

223
Q

ORIGIN: TIBIALIS POSTERIOR

A

· Posterior surfaces of proximal shafts of tibia and fibula · Interosseous membrane

224
Q

INSERTION: TIBIALIS POSTERIOR

A

· All five tarsal bones · Bases of second through fourth metatarsals

225
Q

ORIGIN: FLEXOR DIGITORUM LONGUS

A

· Posterior surface of the middle of the tibia

226
Q

INSERTION:

FLEXOR DIGITORUM LONGUS

A

· Distal phalanges of second through fifth toes

227
Q

ORIGIN: FLEXOR HALLUCIS LONGUS

A

· Middle ½ of posterior fibula

228
Q

INSERTION: FLEXOR HALLUCIS LONGUS

A

· Distal phalanx of first toe

229
Q

ACTION: STERNOCLEIDOMASTOID

A

Unilaterally:

· Laterally flex the head and neck to the same side

· Rotate the head and neck to the opposite side

Bilaterally:

· Flex the neck

· Assist to elevate the ribcage during inhalation

230
Q

ORIGIN: STERNOCLEIDOMASTOID

A

Sternal head:

· Top of manubrium

Clavicular head:

· Medial 1/3 of clavicle

231
Q

INSERTION: STERNOCLEIDOMASTOID

A

· Mastoid process

· Lateral portion of superior nuchal line of occiput

232
Q

ACTION: ANTERIOR SCALENE

A

Unilaterally: · Rotate the head and neck to the opposite side · With the ribs fixed, laterally flex the head and neck to the same side Bilaterally: · Elevate the ribs during inhalation · Flex the head and neck

233
Q

ORIGIN: ANTERIOR SCALENE

A

· Anterior tubercles of transverse processes of C-3 through C-6

234
Q

INSERTION: ANTERIOR SCALENE

A

· First rib

235
Q

ACTION: MIDDLE SCALENE

A

Unilaterally:

· Rotate the head and neck to the opposite side

· With the ribs fixed, laterally flex the head and neck

to the same side

Bilaterally:

· Elevate the ribs during inhalation

· Flex the head and neck

236
Q

ORIGIN: MIDDLE SCALENE

A

· Posterior tubercles of transverse processes of C-2

through C-7

237
Q

INSERTION: MIDDLE SCALENE

A

· First rib

238
Q

ACTION: POSTERIOR SCALENE

A

Unilaterally: · Rotate the head and neck to the opposite side · With the ribs fixed, laterally flex the head and neck to the same side Bilaterally: · Elevate the ribs during inhalation · Flex the head and neck

239
Q

ORIGIN: POSTERIOR SCALENE

A

· Posterior tubercles of transverse processes of C-6 and C-7

240
Q

INSERTION: POSTERIOR SCALENE

A

· Second rib

241
Q

ACTION: MASSETER

A

· Elevate the mandible

· May assist to protract the mandible

242
Q

ORIGIN: MASSETER

A

· Zygomatic arch

243
Q

INSERTION: MASSETER

A

· Angle and ramus of mandible

244
Q

ACTION: PLATYSMA

A

· Assist to depress the mandible

· Tighten the fascia of the neck

· Draw down the corner of the mouth

245
Q

ORIGIN: PLATYSMA

A

· Fascia covering superior part of pectoralis major

246
Q

INSERTION: PLATYSMA

A

· Base of mandible

· Skin of lower part of face

247
Q

ACTION: TEMPORALIS

A

· Elevate the mandible · Retract the mandible

248
Q

ORIGIN: TEMPORALIS

A

· Temporal fossa and fascia

249
Q

INSERTION: TEMPORALIS

A

· Coronoid process of mandible · Anterior edge of ramus of mandible

250
Q

ACTION: OCCIPITOFRONTALIS

A

Occipitalis: · Anchor and retract the galea posteriorly Frontalis: · Raise the eyebrows and wrinkle the forehead

251
Q

ORIGIN: OCCIPITOFRONTALIS

A

· Galea aponeurotica

252
Q

INSERTION: OCCIPITOFRONTALIS

A

Occipitalis: · Superior nuchal line of the occiput Frontalis: · Skin superior to the eyebrows

253
Q

ACTION: LATERAL PTERYGOID

A

Unilaterally:

· Laterally deviate the mandible to the opposite side

Bilaterally:

· Protract the mandible

254
Q

ORIGIN: LATERAL PTERYGOID

A

Superior head:

· Infratemporal surface of sphenoid bone

· Crest of greater wing of sphenoid bone

Inferior head:

· Lateral surface of lateral pterygoid plate of

sphenoid bone

255
Q

INSERTION: LATERAL PTERYGOID

A

· Articular disc and capsule of temporomandibular joint · Neck of mandible

256
Q

ACTION: MEDIAL PTERYGOID

A

Unilaterally: · Laterally deviate the mandible to the opposite side Bilaterally: · Elevate the mandible · Protract the mandible

257
Q

ORIGIN: MEDIAL PTERYGOID

A

· Medial surface of lateral pterygoid plate of sphenoid bone · Tuberosity of maxilla

258
Q

INSERTION: MEDIAL PTERYGOID

A

· Medial surface of ramus of mandible

Vicars Study (12 decks)

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