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final exam > muscles > Flashcards

muscles Flashcards

1
Q

Plantaris insertion

A

Calcaneus via the calcaneal tendon

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2
Q

Plantaris actions

A

Weak flexion of the knee weak planter flexion of the ankle

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3
Q

Plantaris origin

A

Lateral supracondylar line of femur

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4
Q

Plantaris nerve

A

Tibial nerve

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5
Q

Popliteus origin

A

Lateral condyle of the femur

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6
Q

Popliteus insertion

A

Proximal posterior aspect of tibia

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7
Q

Popliteus action

A

Medially rotate flexed knee and flex knee at tibiofemoral

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8
Q

Popliteus nerve

A

Tibial nerve

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9
Q

Tibialis posterior origin

A

Proximal posterior shaft of tibia and fibula and interosseous membrane

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10
Q

Tibialis posterior insertion

A

All 5 tarsal bones and bases of 2nd through 4th metatarsals

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11
Q

Tibialis posterior actions

A

Planter flex and invert

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12
Q

Tibialis posterior nerve

A

Tibial nerve

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13
Q

Flexor digitorum longus origin

A

Middle posterior surface of tibia

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14
Q

Flexor digitorum longus insertion

A

Distal phalanges of 2nd through 5th toes

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15
Q

Flexor digitorum longus actions

A

Flex 2nd-5th toes weak planter flexion of the ankle and invert the foot

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16
Q

Flexor digitorum longus nerve

A

Tibial nerve

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17
Q

Flexor hallucis longus origin

A

Middle half of posterior fibula

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18
Q

Flexor Hallicus longus insertion

A

Distal phalanx of first toe

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19
Q

Flexor hallicus longus actions

A

Flex first toe weak planter flexion of ankle and invert the foot

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20
Q

Flexor hallicus longus nerve

A

Tibial nerve

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21
Q

Plantaris origin

A

Lateral supracondylar line of femur

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22
Q

Plantaris insertion

A

Calcaneous via the calcaneal tendon

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23
Q

Plantaris actions

A

Weak flexion of the knee weak planter flexion of the ankle

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24
Q

Plantaris nerve

A

Tibial nerve

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25
Q

Fibularis brevis origin

A

Distal 2/3 of the lateral fibula

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26
Q

Fibularis brevis insertion

A

Tuberosity of fifth metatarsal

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27
Q

Fibularis longus action

A

Evert the foot and assist to planter flex the ankle

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28
Q

Fibularis longus nerve

A

Superficial fibular nerve

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29
Q

Sartorius nerve

A

Femoral nerve

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30
Q

Sartorius origin

A

Anterior superior iliac spine

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31
Q

Sartorius insertion

A

Proximal medial shaft of the tibia at pes anserinus tendon

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32
Q

Sartorius actions

A

Flex lat rotate abduct coxal
Flex and med rotate tibia femoral

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33
Q

Gracilis nerve

A

Anterior branch of obturator nerve

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34
Q

Gracilis origin

A

Inferior Ramis of pubis

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35
Q

Gracilis insertion

A

Proximal medial shaft of tibia at pes anserinus tendon

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36
Q

Gracilis action

A

Adduct med rotate coxal
Flex med rotate tibiofemoral

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37
Q

Adductor brevis nerve

A

Obturator nerve

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38
Q

Adductor brevis origin

A

Inferior ramus of pubis

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39
Q

Adductor brevis insertion

A

Pectineal line and medial Lip of Linea aspera

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40
Q

Adductor brevis action

A

Adduct med rotate assist to flex coxal

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41
Q

Pectineus nerve

A

Femoral and obturator

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42
Q

Pectineus origin

A

Superior ramis of pubis

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43
Q

Pectineus insertion

A

Pectineal line of femur

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44
Q

Pectineus action

A

Adduct med rotate assist to flex coxal

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45
Q

Adductor magnus nerve

A

Obturator and sciatic

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46
Q

Adductor magnus origin

A

Inferior ramus of the pubis Ramus of ischium and ishial tuberocity

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47
Q

Adductor magnus insertion

A

Medial lip of Linea aspera and adductor tubercle

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48
Q

Adductor magnus actions

A

Adductor med rotate assist to flex coxal posterior fibers extend coxal

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49
Q

Rectus femoris nerve

A

Femoral

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50
Q

Rectus femoris origin

A

Anterior inferior iliac spine

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51
Q

Rectus femoris insertion

A

Tibial tuberocity via patella and patellar ligament

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52
Q

Rectus femoris actions

A

Extend tibiofemoral flex coxal

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53
Q

Vastus group nerve

A

Femoral

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54
Q

Vastus group origin

A

Vm: medial lip of Linea aspera
VL: lateral lip of Linea aspera gluteal tuberocity greater trochanter
Vi: anterior and lateral shaft of femur

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55
Q

Vastus group insertion

A

Tibial tuberocity via patella and patellar ligament

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56
Q

Vastus group action

A

Extend tibiofemoral

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57
Q

Biceps femoris nerve

A

Sciatic nerve long head tibial branch short head fibular branch

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58
Q

Biceps femoris origin

A

Long head ischeal tuberocity
Short head lateral lip of Linea aspera

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59
Q

Biceps femoris insertion

A

Head of fibula

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60
Q

Biceps femoris action

A

Flex lat rotate tibiofemoral long head extend and lat rotate coxal
Bilaterally tilt pelvis posteriorly

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61
Q

Semitendinosis nerve

A

Sciatic

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62
Q

Semitendinosis origin

A

Ischeal tuberocity

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63
Q

Semitendinosis insertion

A

Proximal medial shaft of the tibia at pes anserinus tendon

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64
Q

Semitendinosis action

A

Flex med rotate tibiofemoral extend med rotate coxal
Bilaterally tilt pelvis posteriorly

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65
Q

Semimembranosis nerve

A

Sciatic

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66
Q

Semimembranosis origin

A

Ischeal tuberocity

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67
Q

Semimembranosis insertion

A

Posterior aspect of medial condyle of tibia

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68
Q

Semimembranosis actions

A

Flex med rotate tibiofemoral
Extend med rotate coxal
Bilaterally tilt pelvis posteriorly

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69
Q

Tensor facia latae nerve

A

Superior gluteal

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70
Q

Tensor facia latae origin

A

Iliac crest posterior to asis

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71
Q

Tensor facia latae insertion

A

Iliotibial tract

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72
Q

Tensor facia latae action

A

Flex med rotate abduct coxal

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73
Q

Adductor longus nerve

A

Obturator

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74
Q

Adductor longus origin

A

Public tubercle

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75
Q

Adductor longus insertion

A

Pectineal line and medial lip of Linea aspera

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76
Q

Adductor longus actions

A

Adduct med rotate and flex coxal

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77
Q

Sternocleidomastoid origin

A

Top of the manubrium and medial ⅓ of clavicle

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78
Q

Sternocleidomastoid insertion

A

Mastoid process of the temporal bone and lateral portion of superior nuchal line of occiput

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79
Q

Sternocleidomastoid action

A

Flex neck laterally flex head and neck to same side rotate head and neck to opposite side assist to elevate rib cage during inhale

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80
Q

Sternocleidomastoid nerve

A

Spinal accessory nerve

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81
Q

Scalenes

A

Anterior: 361
Middle: 271
Posterior: 672
Nerve: c3-c8

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82
Q

Scalene action

A

Anterior: flex neck
Lat flex head and neck rotate opposite side elevate ribs on inhale

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83
Q

Splenius capitis origin

A

Inferior ½ of the ligamemtum nuchae and spinous processes of c7-t4

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84
Q

Splenius capitis insertion

A

Mastoid process and lateral portion of the superior nuchal line

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85
Q

Splenius capitis actions

A

Extends head and neck laterally flexes and rotates head and neck to same side

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86
Q

Splenius capitis nerve

A

Cervical nerve

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87
Q

Levator scapulae origin

A

Traverse processes of of c1-c4

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88
Q

Levator scapulae insertion

A

Medial border of scapula between the superior angle and superior portion of spine if scapula

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89
Q

Levator scapulae actions

A

Elevate and downward rotate the scapula at the scapulothoracic joint extend and lat flex and rotate head to same side

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90
Q

Levator scapulae nerve

A

Cervical, dorsal scapular nerve

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91
Q

Pectoralis major origin

A

Medial half of clavicle sternum and cartilage of ribs 1-6

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92
Q

Pectoralis major insertion

A

Crest if greater tubercle of humerus

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93
Q

Pectoralis major actions

A

Adducts medial rotates shoulder at g/h joint assist to elevate thorax during force inhale
Upper fibers flex and horizontally adduct shoulder at g/h jt lower extends

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94
Q

Pectoralis major nerve

A

Med and lat pectoral nerve

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95
Q

Splenius cervicis origin

A

Spinous processes of t3-t6

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96
Q

Splenius cervicis insertion

A

Transverse processes of c1-c3

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97
Q

Splenius cervicis actions

A

Bilaterally extend neck unilaterally lat flex and rotate the neck to same side

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98
Q

Splenius cervicis nerve

A

Cervical nerve

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99
Q

Pec minor origin

A

Ribs 3-5

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100
Q

Pec minor insertion

A

Medial surface of coracoid process of the scapula

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101
Q

Pec minor action

A

Abduct depress and downward rotate scapulothoracic elevate thorax of forced inhale

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102
Q

Pec minor nerve

A

Medial pectoral with fibers from communicating branch of lateral pectoral

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103
Q

Longus colli origin

A

Bodies of c5 through t3 transverse processes of c3-c5

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104
Q

Longus colli insertion

A

Tubercle on anterior arch of the atlas bodies of axis c3 and c4 transverse processes of c5-c6

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105
Q

Longus colli action

A

Bilaterally flex neck unilaterally lat flex and rotate neck to same side

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106
Q

Longus colli nerve

A

C2-c6 (7)

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107
Q

Rectus capitis posterior major

A

Spinous processes of the axis c2 to the inferior nuchal line of the occiput

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108
Q

Rectus capitis posterior minor

A

Tubercle of the posterior arch of the atlas c1 to inferior nuchal line of occiput

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109
Q

Oblique capitis superior

A

Transverse processes of axis c1 to between nuchal line of occiput

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109
Q

Oblique capitis inferior

A

Spinous processes of the axis c2 to the transverse processes of atlas c1

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110
Q

Rectus capitis posterior major actions

A

Rock and tilt head back into extension rotate to same side

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111
Q

Rectus capitis minor action

A

Rock and tilt head back into extension

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112
Q

Oblique capitis superior action

A

Rock and tilt head back into extension lat flex head to same side

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113
Q

Oblique capitis inferior actions

A

Rotate head same side

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114
Q

Suboccipital group nerve

A

Suboccipital nerve

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115
Q

Serratus anterior origin

A

External surface of upper 8 or 9 ribs

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116
Q

Serratus anterior insertion

A

Anterior surface of medial border of scapula

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117
Q

Serratus anterior actions

A

Abducts Upwardly rotates depresses at scapulothoracic holds medial border of scapula against rib cage

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118
Q

Serratus anterior nerve

A

Long thoracic nerve

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119
Q

Subclavius origin

A

1st rib and cartilage

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120
Q

Subclavius insertion

A

Inferior surface of middle ⅓ of clavicle

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121
Q

Subclavius actions

A

Depress the clavicle and draws anteriorly elevates first rib stabilize sternoclavicular joint

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122
Q

Subclavius nerve

A

Subclavian nerve

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123
Q

Coracobrachialis origin

A

Coracoid process of scapula

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124
Q

Coracobrachialis insertion

A

Medial surface of mid humerus shaft

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125
Q

Coracobrachialis action

A

Flex and adduct shoulder and g/h joint

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126
Q

Coracobrachialis nerve

A

Musculocutaneous nerve

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127
Q

Teres major origin

A

Inferior angle and lower ⅓ of lateral border of scapula

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128
Q

Teres major insertion

A

Crest of lesser tubercle of humorous

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129
Q

Teres major nerve

A

Lower subscapular nerve

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130
Q

Teres major actions

A

Medial rotates adducts extends gh joint

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131
Q

Infraspinatus origin

A

Infraspinous fossa of scapula

132
Q

Infraspinatus insertion

A

Greater tubercle of humorous

133
Q

Infraspinatus actions

A

Laterally rotates adducts and stabilizes gh joint

134
Q

Teres minor insertion

A

Greater tubercle of humorous

134
Q

Infraspinatus nerve

A

Suprascapular

135
Q

Teres minor origin

A

Upper ⅔ of lateral border of scapula

136
Q

Teres minor actions

A

Laterally rotates adducts stabilizes gh joint in glenoid cavity

137
Q

Teres minor nerve

A

Axillary nerve

138
Q

Subscapularis origin

A

Subscapular fossa of scapula

139
Q

Subscapularis insertion

A

Lesser tubercle of humorous

140
Q

Subscapularis actions

A

Medial rotate and stabilize gh and glenoid cavity

141
Q

Supraspinatus origin

A

Supraspinous fossa of scapula

142
Q

Supraspinatus insertion

A

Greater tubercle of humorous

143
Q

Supraspinatus actions

A

Abducts and stabilizes gh at glenoid cavity

144
Q

Brachialis origin

A

The distal ½ of the anterior surface of humorous

145
Q

Brachialis insertion

A

Tuberosity and coronoid process of the ulna

146
Q

Brachialis actions

A

Flex elbow at humeroulnar joint

147
Q

Pronator teres origin

A

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

148
Q

Pronator teres insertion

A

Middle of lateral surface of radius

149
Q

Brachialis nerve

A

Musculocutaneous nerve small branch from radial nerve

149
Q

Flexor carpi ulnaris actions

A

Flex and adduct the wrist at radiocarpal joint assist with flexion of elbow at humeroulnar

149
Q

Pronator teres actions

A

Pronates the forearm at the radio ulnar joints assists to flex elbow at humeroulnar

150
Q

Pronator teres nerve

A

Median

151
Q

Flexor carpi ulnaris insertion

A

Pisiform, hook of hamate and base of 5th metacarpal

152
Q

Flexor carpi ulnaris origin

A

Humeral head: common flexor tendon from medial epicondyle of humorous
Ulnar head: posterior surface of proximal ⅔ of ulna

153
Q

Flexor carpi ulnaris nerve

A

Ulnar nerve

154
Q

Flexor carpi radialis actions

A

Flex abduct wrist at radiocarpal joint assist to flex the elbow at humeroulnar joint

154
Q

Flexor carpi radialis origin

A

Common flexor tendon from medial epicondyle of humerus

155
Q

Flexor carpi radialis insertion

A

Bases of the second and third metacarpals

156
Q

Flexor carpi radialis nerve

A

Median nerve

156
Q

FLEXOR DIGITORUM superficialis origin

A

Common flexor tendon from medial epicondial of the humorous ulnar Collateral legament coronoid process of ulna interosseous membrane and proximal shaft of radius

157
Q

FLEXOR DIGITORUM superficialis insertion

A

Sides of middle phalanges of second through fifth fingers

158
Q

FLEXOR DIGITORUM superficialis nerve

A

Median

159
Q

FLEXOR DIGITORUM superficialis actions

A

Flex the second through fifth fingers flex the wrist at the radiocarpel joint

160
Q

Flexor digitorum profundus origin

A

Anterior and medial surface of proximal ¾ of ulna

160
Q

Flexor digitorum profundus insertion

A

Bases of distal phalanges palmer surface of second through fifth fingers

161
Q

Flexor digitorum profundus actions

A

Flex the second through fifth fingers at metacarpal phalangeal and distal interphangeal joints. Assist to flex the wrist at the radiocarpel joint

162
Q

PALMARIS longus origin

A

Common flexor tendon of medial epicondial of humor

162
Q

PALMARIS longus actions

A

Tense , the palmer facia flex the wrist at the radiocarpal joint may assist to flex the elbow at the humeroulnar joint

163
Q

Flexor digitorum profundus nerve

A

Median and ulnar nerve

164
Q

PALMARIS longus insertion

A

Flexor retinaculum and palmer aponeurosis

165
Q

PALMARIS longus nerve

A

Median nerve

166
Q

Pronator quadratus origin

A

Medial anterior surface of distal ulna

167
Q

Pronator quadratus insertion

A

Lateral anterior surface of distal radius

168
Q

Pronator quadratus action

A

Pronate at radioulnar joint

169
Q

Pronator quadratus nerve

A

Median nerve

170
Q

Extensor carpi radialis longus (ecrl) origin

A

Distill one third of lateral supercondular ridge of the humorus

171
Q

Extensor carpi radialis longus (ecrl) actions

A

Extends abducts the wrist at the radiocarpel Joint assist to flex the elbow at the humuroulnar joint

171
Q

Extensor carpi radialis longus (ecrl) insertion

A

Base of second metacarpal

172
Q

Extensor carpi radialis longus (ecrl) nerve

A

Radial

173
Q

Extensor carpi radialis brevis insertion

A

Base of the second metacarpal

173
Q

Extensor carpi radialis brevis (ECRB) origin

A

Common extensor tendon from the lateral epicondyle of the humerus

174
Q

Extensor carpi radialis brevis actions

A

Abduct and extends the wrist at the radiocarpel Joint assist to flex the elbow at the humeroulnar joint

175
Q

Extensor carpi radialis brevis nerve

A

Radial

176
Q

Supinator origin

A

Lateral epicondial of the humorous radial collateral ligament annular ligament and supinator Crest of the ulna

177
Q

Supinator insertion

A

Anterior lateral surface of proximal ⅓ of radial shaft

178
Q

Supinator nerve

A

Radial

178
Q

Supinator actions

A

Supernates the forearm at the radioulnar joint

179
Q

Adductor pollicis longus

A

Posterior surface of the radius ulna and interrocious membrane

180
Q

Adductor pollicis longus insertion

A

Base of first metacarpel

181
Q

Abductor pollicis longus actions

A

Abducts extends the thumb at the carpo metacarpal and radially deviates the wrist at radiocarpal joint forms anterior border of snuff box

182
Q

Adductor pollicis longus nerve

A

Radial

183
Q

Extensor pollicis longus origin

A

Posterior surface of ulna and interousious membrane

184
Q

Extensor pollicis longus insertion

A

Base of distal phalanx of thumb

185
Q

Extensor pollicis longus actions

A

Extend thumb abduct wrists at radiocarpal

186
Q

Extensor pollicis longus nerve

A

Radial

187
Q

Extensor pollicis brevis origin

A

Posterior surface of radius and interosseous membrane

188
Q

Extensor pollicis brevis insertion

A

Base of proximal phalanx of thumb

189
Q

Extensor pollicis brevis actions

A

Extend thumb at mcp, cmc joints abduct wrist at radiocarpal

190
Q

Extensor pollicis brevis nerve

A

Radial

191
Q

Flexor pillicis longus origin

A

Anterior surface of the radius and interosseous membrane

191
Q

Flexor pillicis longus insertion

A

Base of distal phalanx of thumb

192
Q

Flexor pillicis longus actions

A

Flex the thumb (mcp cmc ip joints) assist to flex the right at radiocarpal joint

193
Q

Deltoid origin

A

Lateral ⅓ of clavicle acromion and spine of scapula

193
Q

Flexor pillicis longus innovation

A

Median nerve

194
Q

Deltoid actions

A

Abducts gh
Anterior deltoid flexes medial rotate horizontally adducts gh
Posterior extends laterally rotates horizontally abducts gh joint

194
Q

Deltoid insertion

A

Deltoid tuberocity

195
Q

Deltoid nerve

A

Axillary

196
Q

Biceps brachii insertion

A

Tuberocity of radius and aponeurosis of biceps brachii

197
Q

Biceps brachii origin

A

Supraglenoid tubercle long head
Coracoid process of scapula short head

198
Q

Biceps brachii actions

A

Flex humeroulnar supinates radioulnar flexes gh

199
Q

Biceps brachii nerve

A

`Musculocutaneous

200
Q

Triceps brachi origin

A

Infraglenoid tubercle of scapula long head posterior surface of humorous lat and medial head

201
Q

Triceps brachi insertion

A

Olecranon process of ulna

202
Q

Brachioradialis actions

A

Flexes humeroulnar assist to pronate and supinate forearm when resisted

202
Q

Brachioradialis nerve

A

Radial

203
Q

Triceps brachi actions

A

Extend humeroulnar adducts and extends gh

204
Q

Triceps brachi nerve

A

Radial

205
Q

Brachioradialis insertion

A

Styloid process of radius

206
Q

Brachioradialis origin

A

Proximal ⅔ of lateral supracondylar ridge of humorous

207
Q

Serratus Posterior Superior - Innervation

A

T1-T4

208
Q

Serratus Posterior Superior - Origin

A

Spinous processes of C7-T3

209
Q

Serratus Posterior Superior - Insertion

A

posterior surfaces of ribs 2-5

210
Q

Serratus Posterior Superior - actions

A

elevate the ribs during inhalation

211
Q

Serratus Posterior Inferior - Innervation

A

T9-T12

212
Q

Serratus Posterior Inferior - Origin

A

Spinous Processes of T12-L3

213
Q

Serratus Posterior Inferior - Insertion

A

posterior surface of ribs 9-12

214
Q

Serratus Posterior Inferior - actions

A

depress the ribs during exhalation

215
Q

External intercostals - innervation

A

thoracic nerve

216
Q

external intercostals - origin

A

inferior border of the rib above

217
Q

external intercostals - insertion

A

superior border of the rib below

218
Q

external intercostals - actions

A

draw the ribs superiorly (increases the space of the thoracic cavity) to assist with inhalation

219
Q

internal intercostals - origin

A

inferior border of the rib above

220
Q

internal intercostals - innervation

A

thoracic nerve

221
Q

internal intercostals - insertion

A

superior border of the rib below

222
Q

internal intercostals - actions

A

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

223
Q

diaphragm - innervation

A

phrenic nerve from the cervical plexus: C3, C4, C5 (keeps the diaphragm alive)

224
Q

diaphragm - origin

A

inner surfaces of the the lower 6 ribs,
upper 2 or 3 lumbar vertebrae,
inner part of xiphoid process

225
Q

diaphragm - insertion

A

central tendon

225
Q

diaphragm - actions

A

draw down the central tendon of the diaphragm
increase the volume of the thoracic cavity during inhalation

226
Q

rectus abdominis - innervation

A

T5-T12, ventral rami

227
Q

rectus abdominis - origin

A

pubic crest
pubic symphysis

228
Q

rectus abdominis - insertion

A

cartilage of ribs 5-7
xiphoid process

229
Q

rectus abdominis - actions

A

FLEX the vertebral column
TILT pelvis POSTERIORLY

230
Q

external obliques - innervation

A

T5-T12

231
Q

external obliques - origin

A

external surfaces of ribs 5-12

232
Q

external obliques - insertion

A

anterior part of the iliac crest,
rectus sheath to the linea alba

233
Q

external obliques - actions

A

LATERALLY FLEX vertebral column to same side
ROTATE vertebral column to the opposite side
FLEX vertebral column
COMPRESS abdominal contents

233
Q

internal obliques - innervation

A

iliohypogastric nerve and the ilioinguinal nerve, ventral divisions

233
Q

internal obliques - origin

A

lateral inguinal ligament,
iliac crest,
thoracolumbar fascia

234
Q

internal obliques - insertion

A

internal surfaces of the lower 3 ribs,
rectus sheath to the linea alba

235
Q

internal obliques - actions

A

FLEX, LATERALLY FLEX, and ROTATE vertebral column to the same side,
COMPRESS the abdominal contents

236
Q

transverse abdominis - innervation

A

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

237
Q

transverse abdominis - origin

A

lateral inguinal ligament,
iliac crest,
thoracolumbar fascia,
internal surfaces of the lower 6 ribs

238
Q

transverse abdominis - insertion

A

rectus sheath to the linea alba

239
Q

transverse abdominis - actions

A

COMPRESS abdominal contents

240
Q

Semispinalis Capitis - innervation

A

cervical nerve

241
Q

Semispinalis Capitis - Origin

A

TVPs of C4-T5

242
Q

Semispinalis Capitis - Insertion

A

between the superior and inferior lines of the occiput

243
Q

Semispinalis Capitis - actions

A

EXTEND head and vertebral column

244
Q

Iliacus - Innervation

A

Femoral nerve

245
Q

Iliacus - origin

A

Iliac fossa

246
Q

Iliacus - insertion

A

Lesser trochanter

247
Q

Psoas Major - Innervation

A

Lumbar plexus

248
Q

Psoas Major - origin

A

Bodies and transverse processes of lumbar vertebrae

248
Q

Piriformis - Innervation

A

Sacral plexus

248
Q

Iliacus - actions

A

With origin fixed:
FLEX the coxal joint
May LATERALLY FLEX the coxal joint

With insertion fixed:
FLEX the trunk toward the thigh
TILT the pelvis ANTERIORLY

249
Q

Psoas Major - insertion

A

Lesser trochanter

250
Q

Psoas Major - actions

A

With origin fixed:
FLEX the coxal joint
May LATERALLY ROTATE coxal joint

With insertion fixed:
FLEX the trunk toward the thigh
TILT the pelvis ANTERIORLY

Unilaterally: assist to LATERALLY FLEX the lumbar spine

251
Q

Piriformis - insertion

A

Superior aspect of greater trochanter

251
Q

Piriformis - origin

A

Anterior surface of sacrum

252
Q

Quadratus Femoris - origin

A

Lateral border of Ischial tuberosity

253
Q

Quadratus Femoris - Innervation

A

Sacral plexus

254
Q

Piriformis - actions

A

LATERALLY ROTATE the coxal joint
ABDUCT the coxal joint when the hip is flexed

255
Q

Quadratus Femoris - insertion

A

Intertrochanteric crest between the greater and lesser trochanters

256
Q

Quadratus Femoris - actions

A

LATERALLY ROTATE the coxal joint

257
Q

Obturator Internus - Innervation

A

Sacral plexus

258
Q

Obturator internus - Origin

A

Obturator membrane & inferior surface of foramen

259
Q

Obturator internus - actions

A

LATERALLY ROTATE the coxal joint

260
Q

Obturator internus - insertion

A

Medial surface of greater trochanter

261
Q

Obturator externus - Innervation

A

Obturator nerve

262
Q

Obturator externus - actions

A

LATERALLY ROTATE the coxal joint

262
Q

Obturator externus - origin

A

Rami of pubis and ischium,
Obturator membrane

263
Q

Gemellus Superior - Innervation

A

Sacral plexus

263
Q

Obturator externus - insertion

A

Trochanteric fossa of femur

264
Q

Gemellus superior - origin

A

Ischial spine

265
Q

Gemellus superior - insertion

A

Medial surface of greater trochanter

266
Q

Gemellus superior - actions

A

LATERALLY ROTATE the coxal joint

267
Q

Gemellus inferior - Innervation

A

Sacral plexus

268
Q

Gemellus inferior - actions

A

LATERALLY ROTATE the coxal joint

268
Q

Quadratus Lumborum - innervation

A

Lumbar plexus (T12-L3)

269
Q

Gemellus inferior - origin

A

Ischial tuberosity

270
Q

Gemellus inferior - insertion

A

Medial surface of the greater trochanter

271
Q

Quadratus Lumborum - insertion

A

Last rib,
TVPs of L1-L4

272
Q

Quadratus Lumborum - origin

A

Posterior iliac crest

273
Q

Quadratus Lumborum - Actions

A

LATERALLY TILT pelvis
LATERALLY FLEX the vertebral column
Assist to EXTEND the vertebral column
FIX the last rib during forced inhalation and exhalation

273
Q

Gluteus Maximus - Innervation

A

Inferior gluteal nerve (L5, S1, S2)

274
Q

Gluteus Maximus - insertion

A

Upper fibers: Iliotibial tract

Lower fibers: gluteal tuberosity

275
Q

Gluteus Maximus - Origin

A

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

276
Q

Gluteus Maximus - Actions

A

EXTEND
LATERALLY ROTATE
ABDUCT
The coxal joint

Lower fibers: ADDUCT the coxal joint

277
Q

Gluteus Medius - Origin

A

Gluteal surface of the ilium,
Between posterior and anterior gluteal lines,
Just below iliac crest

277
Q

Gluteus Medius - Innervation

A

Superior gluteal nerve, L4, L5, and S1

278
Q

Gluteus Medius - Insertion

A

Lateral aspect of greater trochanter

279
Q

Gluteus Medius - Actions

A

Posterior fibers:
ABDUCT, EXTEND, LATERALLY ROTATE the coxal joint
POSTERIORLY TILT and DEPRESS the same side of the pelvis at the hip joint

Middle fibers:
ABDUCT the coxal joint
DEPRESS the same side of the pelvis at the hip joint

Anterior fibers:
ABDUCT, FLEX, MEDIALLY ROTATE the coxal joint
ANTERIORLY TILT and DEPRESS the same side of the pelvis at the hip joint

280
Q

Masseter - innervation

A

trigeminal nerve (CN V) mandibular division

281
Q

masseter - origin

A

Zygomatic arch

282
Q

masseter - actions

A

ELEVATE TMJ
may assist to PROTRACT TMJ

282
Q

masseter - insertion

A

angle and ramus of mandible

283
Q

temporalis - origin

A

temporal fossa & fascia

283
Q

temporalis - innervation

A

trigeminal nerve (CN V) mandibular division

284
Q

lateral pterygoid - innervation

A

trigeminal nerve (CN V)

284
Q

temporalis - insertion

A

coronoid process and anterior edge of ramus of the mandible

285
Q

temporalis - actions

A

ELEVATE TMJ
RETRACT TMJ

286
Q

lateral pterygoid - origin

A

Superior head:
infratemporal surface and crest of greater wing of sphenoid

Inferior head:
lateral surface of lateral pterygoid plate of sphenoid

287
Q

lateral pterygoid - insertion

A

articular disc and capsule of TMJ,
neck of mandible

288
Q

lateral pterygoid - actions

A

Unilaterally:
LATERALLY DEVIATE the TMJ to the OPPOSITE side

Bilaterally:
PROTRACT the TMJ

289
Q

medial pterygoid - origin

A

medial surface of lateral pterygoid plate of sphenoid,
tuberosity of maxilla

290
Q

medial pterygoid - innervation

A

trigeminal nerve (CN V)

291
Q

medial pterygoid - insertion

A

medial surface of ramus of the mandible

292
Q

medial pterygoid - actions

A

Unilaterally:
LATERALY DEVIATE the TMJ to the OPPOSITE side

Bilaterally:
ELEVATE the TMJ
PROTRACT the TMJ

293
Q

occipitofrontalis - innervation

A

facial nerve (CN VII)

294
Q

occipitofrontalis - origin

A

Both: galea aponeurotica

295
Q

occipitofrontalis - actions

A

frontalis:
raise the eyebrows
wrinkle the forehead

occipitalis:
anchor and retract the galea posteriorly

296
Q

occipitofrontalis - insertion

A

frontalis: skin superior to eyebrows

occipitalis: superior nuchal line of occiput

297
Q

platysma - innervation

A

facial (CN VII)

298
Q

platysma - origin

A

fascia covering superior part of pectoralis major

299
Q

platysma - insertion

A

base of mandible,
skin of lower part of face

300
Q

platysma - actions

A

assist to DEPRESS the TMJ
TIGHTEN the fascia of the neck
DRAW DOWN corner of the mouth

final exam (2 decks)

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