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Anatomy & Physiology Series > Muscles of Appendicular Skeleton > Flashcards

Muscles of Appendicular Skeleton Flashcards

1
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Teres major

  • Action: Extend, rotate, adduct humerus
  • Origin: Posterior & inferior angle of scapula
  • Insertion: Intertubercle sulcus of humerus
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2
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Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis
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3
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Gluteus minimus

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

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

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

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

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

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

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

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmar aponeurosis
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13
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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
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Teres minor

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

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

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

Flexor Carpi Radialis

  • Action: Flexor of wrist
  • Origin: Medial epicondyle of humerus
  • Insertion: Palmer aponeurosis
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18
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Biceps brachii

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

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

Gluteus minimus

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

Action: Inversion, plantar flexion

Origin: Superior tibia & fibula

Insertion: Tarsals & metatarsals 2-4

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24
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Deltoid

  • Action: Adduct humerus
  • Origin: Clavicle, acromion & spine of scapula
  • Insertion: Deltoid tuberosity
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25
**Coracobrachialis** * Action: Adduction & flexion of shoulder * Origin: Coracoid process * Insertion: Shaft of humerus
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**Brachioradialis** * Action: Synergist of elbow flexion * Origin: Distal humerus * Insertion: Styloid process of radius
27
**Tibialis posterior** * Action: Inversion, plantar flexion * Origin: Superior tibia & fibula * Insertion: Tarsals & metatarsals 2-4
28
**Teres major** * Action: Extend, rotate, adduct humerus * Origin: Posterior & inferior angle of scapula * Insertion: Intertubercle sulcus of humerus
29
**Pectoralis major** * Action: Flexes & adducts arm * Origin: Clavicle, sternum, ribs 1-6 * Insertion: Intertubercle sulcus of humerus
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**Popliteus** * Action: Medial flexion & rotate knee * Origin: Lateral condyle of femur * Insertion: Proximal tibia
31
**Latissimus doris** * Action: Extend, abduct, & rotate arm * Origin: Spinous process T6-L5 * Insertion: Intertubercle sulcus of humerus
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**Extensor carpi ulnaris** * Action: Extend & adduct wrist * Origin: Lateral epicondyle of humerus * Insertion: Base of metacarpal 5
33
**Palmaris longus** * Action: Flexor of wrist * Origin: Medial epicondyle of humerus * Insertion: Palmar aponeurosis
34
**Extensor carpi radialis Brevis & longus** * Action: Extend & abduct wrist * Origin: Lateral epicondyle of humerus * Insertion: Base of metacarpals 2 and 3
35
**Gluteus medius** * Action: Abduct & medially rotate thigh * Origin: Upper surface ilium * Insertion: Greater trochanter of femur
36
**Triceps brachii** * Action: Forearm extension * Origin: Glenoid cavity, radial groove of humerus * Insertion: Olecranon process of ulna
37
**Latissimus doris** * Action: Extend, abduct, & rotate arm * Origin: Spinous process T6-L5 * Insertion: Intertubercle sulcus of humerus
38
**Extensor digitorum** * Action: Finger extension * Origin: Lateral epicondyle of humerus * Insertion: Distal phalanges 2-5
39
**Subscapularis** * Action: Rotate humerus * Origin: Subscapular fossa * Insertion: Lesser tubercle of humerus
40
**Infraspinatus** * Action: Rotate humerus * Origin: Infraspinous fossa * Insertion: Greater tubercle of humerus
41
**Popliteus** * Action: Medial flexion & rotate knee * Origin: Lateral condyle of femur * Insertion: Proximal tibia
42
**Trapezius** * Action: Extends head, moves scapula * Origin: Occiput, spinous process of C7-T12 * Insertion: Scapular spine & acromion process, lateral clavicle
43
**Flexor carpi** * Action: Flexion & adduction of wrist * Origin: Medial epicondyle of humerus & olecranon of ulna * Insertion: Pisiform, hamate, and 5th metacarpal
44
**Pectoralis major** * Action: Flexes & adducts arm * Origin: Clavicle, sternum, ribs 1-6 * Insertion: Intertubercle sulcus of humerus
45
**Brachialis** * Action: Flexor of elbow * Origin: Distal anterior of humerus * Insertion: Coronoid process
46
**Rhomboids** * Action: Pulls scapula medially * Origin: Spinous processes of C7-T3 * Insertion: Medial border of scapula
47
**Teres minor** * Action: Rotate humerus * Origin: Lateral margin of scapula * Insertion: Greater tubercle of humerus
48
**Triceps brachii** * Action: Forearm extension * Origin: Glenoid cavity, radial groove of humerus * Insertion: Olecranon process of ulna
49
**Gluteus medius** * Action: Abduct & medially rotate thigh * Origin: Upper surface ilium * Insertion: Greater trochanter of femur
50
**Extensor carpi ulnaris** * Action: Extend & adduct wrist * Origin: Lateral epicondyle of humerus * Insertion: Base of metacarpal 5
51
**Rhomboids** * Action: Pulls scapula medially * Origin: Spinous processes of C7-T3 * Insertion: Medial border of scapula
52
**Extensor digitorum** * Action: Finger extension * Origin: Lateral epicondyle of humerus * Insertion: Distal phalanges 2-5
53
**Teres minor** * Action: Rotate humerus * Origin: Lateral margin of scapula * Insertion: Greater tubercle of humerus
54
**Palmaris longus** * Action: Flexor of wrist * Origin: Medial epicondyle of humerus * Insertion: Palmar aponeurosis
55
**Flexor Carpi Radialis** * Action: Flexor of wrist * Origin: Medial epicondyle of humerus * Insertion: Palmer aponeurosis
56
**Infraspinatus** * Action: Rotate humerus * Origin: Infraspinous fossa * Insertion: Greater tubercle of humerus
57
**Supraspinatus** ## Footnote Action: Abduct humerus Origin: Supraspinous fossa Insertion: Greater tubercle of humerus
58
**Pectoralis minor** * Action: Draws scapula forward * Origin: Anterior surface of ribs 3-5 * Insertion: Coracoid process of scapula
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**Pronator Teres** * Action: Pronation of forearm * Origin: Medial epicondyle of humerus, coronoid process of ulna * Insertion: Radius
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**Biceps brachii** * Action: Flexion of elbow & supination of forearm * Origin: Coracoid process, glenoid cavity, intertubercle sulcus * Insertion: Radial tuberosity
61
**Extensor carpi ulnaris** * Action: Extend & adduct wrist * Origin: Lateral epicondyle of humerus * Insertion: Base of metacarpal 5
62
**Triceps brachii** * Action: Forearm extension * Origin: Glenoid cavity, radial groove of humerus * Insertion: Olecranon process of ulna
63
**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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**Deltoid** * Action: Adduct humerus * Origin: Clavicle, acromion & spine of scapula * Insertion: Deltoid tuberosity
65
**Gluteus medius** * Action: Abduct & medially rotate thigh * Origin: Upper surface ilium * Insertion: Greater trochanter of femur
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**Pronator Teres** * Action: Pronation of forearm * Origin: Medial epicondyle of humerus, coronoid process of ulna * Insertion: Radius
67
**Biceps brachii** * Action: Flexion of elbow & supination of forearm * Origin: Coracoid process, glenoid cavity, intertubercle sulcus * Insertion: Radial tuberosity
68
**Teres major** * Action: Extend, rotate, adduct humerus * Origin: Posterior & inferior angle of scapula * Insertion: Intertubercle sulcus of humerus
69
**Rhomboids** * Action: Pulls scapula medially * Origin: Spinous processes of C7-T3 * Insertion: Medial border of scapula
70
**Extensor digitorum** * Action: Finger extension * Origin: Lateral epicondyle of humerus * Insertion: Distal phalanges 2-5
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**Pectoralis major** * Action: Flexes & adducts arm * Origin: Clavicle, sternum, ribs 1-6 * Insertion: Intertubercle sulcus of humerus
72
**Teres major** * Action: Extend, rotate, adduct humerus * Origin: Posterior & inferior angle of scapula * Insertion: Intertubercle sulcus of humerus
73
**Tibialis posterior** * Action: Inversion, plantar flexion * Origin: Superior tibia & fibula * Insertion: Tarsals & metatarsals 2-4
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**Pectoralis major** * Action: Flexes & adducts arm * Origin: Clavicle, sternum, ribs 1-6 * Insertion: Intertubercle sulcus of humerus
75
**Piriformis** * Action: Lateral rotation & abduction of hip * Origin: Sacrum * Insertion: Greater trochanger of femur
76
**Brachioradialis** * Action: Synergist of elbow flexion * Origin: Distal humerus * Insertion: Styloid process of radius
77
**Pectoralis minor** * Action: Draws scapula forward * Origin: Anterior surface of ribs 3-5 * Insertion: Coracoid process of scapula
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**Supraspinatus** * Action: Abduct humerus * Origin: Supraspinous fossa * Insertion: Greater tubercle of humerus
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**Popliteus** * Action: Medial flexion & rotate knee * Origin: Lateral condyle of femur * Insertion: Proximal tibia
80
**Gluteus minimus** * Action: Abduct & medially rotate thigh * Origin: Inferior surface of ilium * Insertion: Greater trochanter of femur
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**Subscapularis** * Action: Rotate humerus * Origin: Subscapular fossa * Insertion: Lesser tubercle of humerus
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**Brachialis** * Action: Flexor of elbow * Origin: Distal anterior of humerus * Insertion: Coronoid process
83
**Brachioradialis** * Action: Synergist of elbow flexion * Origin: Distal humerus * Insertion: Styloid process of radius
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**Pronator Teres** * Action: Pronation of forearm * Origin: Medial epicondyle of humerus, coronoid process of ulna * Insertion: Radius
85
**Flexor carpi** * Action: Flexion & adduction of wrist * Origin: Medial epicondyle of humerus & olecranon of ulna * Insertion: Pisiform, hamate, and 5th metacarpal
86
**Tibialis posterior** * Action: Inversion, plantar flexion * Origin: Superior tibia & fibula * Insertion: Tarsals & metatarsals 2-4
87
**Soleus** * Action: Plantar flexion * Origin: Proximal tibia & fibula * Insertion: Calcaneus
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**Soleus** * Action: Plantar flexion * Origin: Proximal tibia & fibula * Insertion: Calcaneus
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**Soleus** * Action: Plantar flexion * Origin: Proximal tibia & fibula * Insertion: Calcaneus
90
**Gastrocnemius** * Action: Plantar flexion * Origin: Medial & lateral condyle of femur * Insertion: Calcaneus
91
**Gastrocnemius** * Action: Plantar flexion * Origin: Medial & lateral condyle of femur * Insertion: Calcaneus
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**Gastrocnemius** * Action: Plantar flexion * Origin: Medial & lateral condyle of femur * Insertion: Calcaneus
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**Extensor digitorum longus** * Action: Toe extension, dorsiflexion * Origin:Lateral condyle of tibia & proximal fibula * Insertion: Middle & distal phalanges of toes 2-5
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**Extensor digitorum longus** * Action: Toe extension, dorsiflexion * Origin:Lateral condyle of tibia & proximal fibula * Insertion: Middle & distal phalanges of toes 2-5
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**Extensor digitorum longus** * Action: Toe extension, dorsiflexion * Origin:Lateral condyle of tibia & proximal fibula * Insertion: Middle & distal phalanges of toes 2-5
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**Tibialis anterior** * Action: Dorsiflexion & inversion * Origin: Lateral condyle of tibia & interosseous membrane * Insertion: Cuneiform & metatarsal 1
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**Tibialis anterior** * Action: Dorsiflexion & inversion * Origin: Lateral condyle of tibia & interosseous membrane * Insertion: Cuneiform & metatarsal 1
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**Tibialis anterior** * Action: Dorsiflexion & inversion * Origin: Lateral condyle of tibia & interosseous membrane * Insertion: Cuneiform & metatarsal 1
99
**Fibularis (peroneus) longus** * Action: Plantar flexion * Origin: Proximal fibula * Insertion: Metatarsal 1 & medial cuneiform
100
**Fibularis (peroneus) longus** * Action: Plantar flexion * Origin: Proximal fibula * Insertion: Metatarsal 1 & medial cuneiform
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**Fibularis (peroneus) longus** * Action: Plantar flexion * Origin: Proximal fibula * Insertion: Metatarsal 1 & medial cuneiform
102
**Fibularis (peroneus) brevis** * Action: Plantar flexion * Origin: Distal fibula * Insertion: Metatarsal 5
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**Fibularis (peroneus) brevis** * Action: Plantar flexion * Origin: Distal fibula * Insertion: Metatarsal 5
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**Fibularis (peroneus) brevis** * Action: Plantar flexion * Origin: Distal fibula * Insertion: Metatarsal 5
105
**Gluteus maximus** * Action: Thigh extensor * Origin: Ilium, sacrum, coccyx * Insertion: Gluteal tuberosity of femur
106
**Gluteus maximus** * Action: Thigh extensor * Origin: Ilium, sacrum, coccyx * Insertion: Gluteal tuberosity of femur
107
**Gluteus maximus** * Action: Thigh extensor * Origin: Ilium, sacrum, coccyx * Insertion: Gluteal tuberosity of femur
108
**Tensor Fasciae Latae** * Action: Flex, abduct, & medially rotate thigh * Origin: Iliac crest & ASIS * Insertion: Fasciae lateral, iliotibial tract (IT band)
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**Tensor Fasciae Latae** * Action: Flex, abduct, & medially rotate thigh * Origin: Iliac crest & ASIS * Insertion: Fasciae lateral, iliotibial tract (IT band)
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**Tensor Fasciae Latae** * Action: Flex, abduct, & medially rotate thigh * Origin: Iliac crest & ASIS * Insertion: Fasciae lateral, iliotibial tract (IT band)
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**Sartorius** * Action: Flex knee, abduct & laterally rotate thigh * Origin: ASIS * Insertion: Proximal tibia
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**Sartorius** * Action: Flex knee, abduct & laterally rotate thigh * Origin: ASIS * Insertion: Proximal tibia
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**Sartorius** * Action: Flex knee, abduct & laterally rotate thigh * Origin: ASIS * Insertion: Proximal tibia
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**Iliacus** * Action: Flexion of hip * Origin: Iliac fossa * Insertion: Just inferior to lesser trochanter of femur
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**Iliacus** * Action: Flexion of hip * Origin: Iliac fossa * Insertion: Just inferior to lesser trochanter of femur
116
**Iliacus** * Action: Flexion of hip * Origin: Iliac fossa * Insertion: Just inferior to lesser trochanter of femur
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**Psoas major** * Action: Flexion at hip or lumbar intervertebrals * Origin: Transverse process of T12-L5 * Insertion: Lesser trochanter of femur
118
**Psoas major** * Action: Flexion at hip or lumbar intervertebrals * Origin: Transverse process of T12-L5 * Insertion: Lesser trochanter of femur
119
**Psoas major** * Action: Flexion at hip or lumbar intervertebrals * Origin: Transverse process of T12-L5 * Insertion: Lesser trochanter of femur
120
**Adductors Magnus, longus, & brevis** * Action: Adduct, medially rotate, & flex thigh * Origin: Ischium, pubis * Insertion: Linea aspera, adductor tubercle
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**Adductors Magnus** * Action: Adduct, medially rotate, & flex thigh * Origin: Ischium, pubis * Insertion: Linea aspera, adductor tubercle
122
**Adductors Longus** * Action: Adduct, medially rotate, & flex thigh * Origin: Ischium, pubis * Insertion: Linea aspera, adductor tubercle
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**Adductors Brevis** * Action: Adduct, medially rotate, & flex thigh * Origin: Ischium, pubis * Insertion: Linea aspera, adductor tubercle
124
**Gracilis** * Action: Adduct thigh, medially rotate, & flex knee * Origin: Inferior ramus & pubis * Insertion: Medial tibia
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**Gracilis** * Action: Adduct thigh, medially rotate, & flex knee * Origin: Inferior ramus & pubis * Insertion: Medial tibia
126
Gracilis * Action: Adduct thigh, medially rotate, & flex knee * Origin: Inferior ramus & pubis * Insertion: Medial tibia

Anatomy & Physiology Series (39 decks)

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