Muscles of Appendicular Skeleton Flashcards

1
Q
A

Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus
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2
Q
A

Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis
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3
Q
A

Gluteus minimus

  • Action: Abduct & medially rotate thigh
  • Origin: Inferior surface of ilium
  • Insertion: Greater trochanter of femur
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4
Q
A

Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3
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5
Q
A

Trapezius

  • Action: Extends head, moves scapula
  • Origin: Occiput, spinous process of C7-T12
  • Insertion: Scapular spine & acromion process, lateral clavicle
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6
Q
A

Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus
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7
Q
A

Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur
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8
Q
A

Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula
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9
Q
A

Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis
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10
Q
A

Supraspinatus

  • Action: Abduct humerus
  • Origin: Supraspinous fossa
  • Insertion: Greater tubercle of humerus
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11
Q
A

Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur
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12
Q
A

Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis
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13
Q
A

Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal
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14
Q
A

Teres minor

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus
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15
Q
A

Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity
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16
Q
A

Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus
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17
Q
A

Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis
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18
Q
A

Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity
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19
Q
A

Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus
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20
Q
A

Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus
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21
Q
A

Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus
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22
Q
A

Gluteus minimus

  • Action: Abduct & medially rotate thigh
  • Origin: Inferior surface of ilium
  • Insertion: Greater trochanter of femur
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23
Q
A

Tibialis posterior

Action: Inversion, plantar flexion

Origin: Superior tibia & fibula

Insertion: Tarsals & metatarsals 2-4

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24
Q
A

Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity
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25
Q
A

Coracobrachialis

  • Action: Adduction & flexion of shoulder
  • Origin: Coracoid process
  • Insertion: Shaft of humerus
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26
Q
A

Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius
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27
Q
A

Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4
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28
Q
A

Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus
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29
Q
A

Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus
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30
Q
A

Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia
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31
Q
A

Latissimus doris

  • Action: Extend, abduct, & rotate arm
  • Origin: Spinous process T6-L5
  • Insertion: Intertubercle sulcus of humerus
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32
Q
A

Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5
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33
Q
A

Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis
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34
Q
A

Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3
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35
Q
A

Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur
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36
Q
A

Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna
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37
Q
A

Latissimus doris

  • Action: Extend, abduct, & rotate arm
  • Origin: Spinous process T6-L5
  • Insertion: Intertubercle sulcus of humerus
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38
Q
A

Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5
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39
Q
A

Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus
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40
Q
A

Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus
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41
Q
A

Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia
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42
Q
A

Trapezius

  • Action: Extends head, moves scapula
  • Origin: Occiput, spinous process of C7-T12
  • Insertion: Scapular spine & acromion process, lateral clavicle
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43
Q
A

Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal
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44
Q
A

Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus
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45
Q
A

Brachialis

  • Action: Flexor of elbow
  • Origin: Distal anterior of humerus
  • Insertion: Coronoid process
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46
Q
A

Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula
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47
Q
A

Teres minor

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus
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48
Q
A

Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna
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49
Q
A

Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur
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50
Q
A

Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5
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51
Q
A

Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula
52
Q
A

Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5
53
Q
A

Teres minor

  • Action: Rotate humerus
  • Origin: Lateral margin of scapula
  • Insertion: Greater tubercle of humerus
54
Q
A

Palmaris longus

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis
55
Q
A

Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis
56
Q
A

Infraspinatus

  • Action: Rotate humerus
  • Origin: Infraspinous fossa
  • Insertion: Greater tubercle of humerus
57
Q
A

Supraspinatus

Action: Abduct humerus

Origin: Supraspinous fossa

Insertion: Greater tubercle of humerus

58
Q
A

Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula
59
Q
A

Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius
60
Q
A

Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity
61
Q
A

Extensor carpi ulnaris

  • Action: Extend & adduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpal 5
62
Q
A

Triceps brachii

  • Action: Forearm extension
  • Origin: Glenoid cavity, radial groove of humerus
  • Insertion: Olecranon process of ulna
63
Q
A

Extensor carpi radialis
Brevis & longus

  • Action: Extend & abduct wrist
  • Origin: Lateral epicondyle of humerus
  • Insertion: Base of metacarpals 2 and 3
64
Q
A

Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity
65
Q
A

Gluteus medius

  • Action: Abduct & medially rotate thigh
  • Origin: Upper surface ilium
  • Insertion: Greater trochanter of femur
66
Q
A

Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius
67
Q
A

Biceps brachii

  • Action: Flexion of elbow & supination of forearm
  • Origin: Coracoid process, glenoid cavity, intertubercle sulcus
  • Insertion: Radial tuberosity
68
Q
A

Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus
69
Q
A

Rhomboids

  • Action: Pulls scapula medially
  • Origin: Spinous processes of C7-T3
  • Insertion: Medial border of scapula
70
Q
A

Extensor digitorum

  • Action: Finger extension
  • Origin: Lateral epicondyle of humerus
  • Insertion: Distal phalanges 2-5
71
Q
A

Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus
72
Q
A

Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus
73
Q
A

Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4
74
Q
A

Pectoralis major

  • Action: Flexes & adducts arm
  • Origin: Clavicle, sternum, ribs 1-6
  • Insertion: Intertubercle sulcus of humerus
75
Q
A

Piriformis

  • Action: Lateral rotation & abduction of hip
  • Origin: Sacrum
  • Insertion: Greater trochanger of femur
76
Q
A

Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius
77
Q
A

Pectoralis minor

  • Action: Draws scapula forward
  • Origin: Anterior surface of ribs 3-5
  • Insertion: Coracoid process of scapula
78
Q
A

Supraspinatus

  • Action: Abduct humerus
  • Origin: Supraspinous fossa
  • Insertion: Greater tubercle of humerus
79
Q
A

Popliteus

  • Action: Medial flexion & rotate knee
  • Origin: Lateral condyle of femur
  • Insertion: Proximal tibia
80
Q
A

Gluteus minimus

  • Action: Abduct & medially rotate thigh
  • Origin: Inferior surface of ilium
  • Insertion: Greater trochanter of femur
81
Q
A

Subscapularis

  • Action: Rotate humerus
  • Origin: Subscapular fossa
  • Insertion: Lesser tubercle of humerus
82
Q
A

Brachialis

  • Action: Flexor of elbow
  • Origin: Distal anterior of humerus
  • Insertion: Coronoid process
83
Q
A

Brachioradialis

  • Action: Synergist of elbow flexion
  • Origin: Distal humerus
  • Insertion: Styloid process of radius
84
Q
A

Pronator Teres

  • Action: Pronation of forearm
  • Origin: Medial epicondyle of humerus, coronoid process of ulna
  • Insertion: Radius
85
Q
A

Flexor carpi

  • Action: Flexion & adduction of wrist
  • Origin: Medial epicondyle of humerus & olecranon of ulna
  • Insertion: Pisiform, hamate, and 5th metacarpal
86
Q
A

Tibialis posterior

  • Action: Inversion, plantar flexion
  • Origin: Superior tibia & fibula
  • Insertion: Tarsals & metatarsals 2-4
87
Q
A

Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus
88
Q
A

Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus
89
Q
A

Soleus

  • Action: Plantar flexion
  • Origin: Proximal tibia & fibula
  • Insertion: Calcaneus
90
Q
A

Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus
91
Q
A

Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus
92
Q
A

Gastrocnemius

  • Action: Plantar flexion
  • Origin: Medial & lateral condyle of femur
  • Insertion: Calcaneus
93
Q
A

Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5
94
Q
A

Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5
95
Q
A

Extensor digitorum longus

  • Action: Toe extension, dorsiflexion
  • Origin:Lateral condyle of tibia & proximal fibula
  • Insertion: Middle & distal phalanges of toes 2-5
96
Q
A

Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1
97
Q
A

Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1
98
Q
A

Tibialis anterior

  • Action: Dorsiflexion & inversion
  • Origin: Lateral condyle of tibia & interosseous membrane
  • Insertion: Cuneiform & metatarsal 1
99
Q
A

Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform
100
Q
A

Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform
101
Q
A

Fibularis (peroneus) longus

  • Action: Plantar flexion
  • Origin: Proximal fibula
  • Insertion: Metatarsal 1 & medial cuneiform
102
Q
A

Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5
103
Q
A

Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5
104
Q
A

Fibularis (peroneus) brevis

  • Action: Plantar flexion
  • Origin: Distal fibula
  • Insertion: Metatarsal 5
105
Q
A

Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur
106
Q
A

Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur
107
Q
A

Gluteus maximus

  • Action: Thigh extensor
  • Origin: Ilium, sacrum, coccyx
  • Insertion: Gluteal tuberosity of femur
108
Q
A

Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band)
109
Q
A

Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band)
110
Q
A

Tensor Fasciae Latae

  • Action: Flex, abduct, & medially rotate thigh
  • Origin: Iliac crest & ASIS
  • Insertion: Fasciae lateral, iliotibial tract (IT band)
111
Q
A

Sartorius

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia
112
Q
A

Sartorius

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia
113
Q
A

Sartorius

  • Action: Flex knee, abduct & laterally rotate thigh
  • Origin: ASIS
  • Insertion: Proximal tibia
114
Q
A

Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur
115
Q
A

Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur
116
Q
A

Iliacus

  • Action: Flexion of hip
  • Origin: Iliac fossa
  • Insertion: Just inferior to lesser trochanter of femur
117
Q
A

Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur
118
Q
A

Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur
119
Q
A

Psoas major

  • Action: Flexion at hip or lumbar intervertebrals
  • Origin: Transverse process of T12-L5
  • Insertion: Lesser trochanter of femur
120
Q
A

Adductors
Magnus, longus, & brevis

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle
121
Q
A

Adductors
Magnus

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle
122
Q
A

Adductors
Longus

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle
123
Q
A

Adductors
Brevis

  • Action: Adduct, medially rotate, & flex thigh
  • Origin: Ischium, pubis
  • Insertion: Linea aspera, adductor tubercle
124
Q
A

Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia
125
Q
A

Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia
126
Q
A

Gracilis

  • Action: Adduct thigh, medially rotate, & flex knee
  • Origin: Inferior ramus & pubis
  • Insertion: Medial tibia