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Brachialis
- A- Flex the elbow
- O- Distal half of anterior surface of humerus
- I- Tuberosity and coronoid process of ulna
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Brachioradialis
- A- Flex the elbow, assist to pronate and supinate the forearm when these movements are resisted
- O- lateral supracondylar ridge of humerus
- I- Styloid process of radius
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Extesnor Carpi Radialis Longus and Brevis
- A- Extend the wrist, abduct the wrist, assist to flex the elbow
- O- Lateral supracondylar ridge of humerus
- I- Longus: Base of second metacarpal
- Brevis- Base of third metacarpal
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Extensor Carpi Ulnaris
- A- Extend the wrist, adduct the wrist
- O- Common extensor tendon from the lateral epicondyle of humerus
- I- Base of fifth metacarpal
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Extensor Digitorum
- A- Extend the second through fifth fingers, assist to extend the wrist
- O- common extensor tendon from the lateral epicondyle of humerus
- i- middle and distal phalanges of second through fifth finger
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anconeus
- a- extend the elbow
- o- lateral epicondyle of the humerus
- i- olecranon process and lateral edge of ulnar shaft
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extensor indicis
- a-extend the second finger, assist to adduct the second finger
- o- posterior surface of distal shaft of ulna and interosseous membrane
- i- tendon of the extensor digitorum at the level of the second metacarpal
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flexor carpi radialis
- a- flex the wrist, abduct the wrist, flex the elbow
- o- common flexor tendon from medial epicondyle
- i- bases of second and third metacarpals
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palmaris longus
- a-tense the palmer fascia, flex the wrist, flex the elbow
- o- common flexor tendon from medial epicondyle
- i- flexor retinaculum and palmar aponeurosis
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flexor carpi ulnaris
- a- flex the wrist, adduct the wrist, assist to flex the elbow
- o- humeral head- common flexor tendon from medial epicondyle of humerus
- ulnar head- posterior surface of proximal half of ulnar shaft
- i- pisiform
-
flexor digitorum superficialis
- a- flex the second through fifth, flex the wrist
- o- common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna and shaft of radius
- i- by four tendons into sides of middle phalanges of second through fifth fingers
-
flexor digitorum profundus
- a-flex the second through fifth fingers, assist to flex the wrist
- o- anterior and medial surfaces of proximal three quarters of ulna
- i- by four tendons into bases of distal phalanges, palmar surface of second through fifth fingers
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pronator teres
- a-pronate the forearm, assist to flex the elbow
- o- medial epicondlye of the humerus, common flexor tendon and coronoid process of the ulna
- i- middle of lateral surface of the radius
-
pronator quadratus
- a- pronate the forearm
- o- medial, anterior surface of distal ulna
- i- lateral, anterior surafce of distal radius
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supinator
- a- supinate the forearm
- o- radial collateral ligament, annular ligament and supinator crest of the ulna
- i- lateral surface of proximal shaft of the radisu
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gastrocnemius
- a- flex the knee, plantar flex the ankle
- o- condyles of the femur, posterior surfaces
- i- calcaneus via calcaneal tendon
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soleus
- a- plantar flex the ankle
- o- soleal line, posterior surface of tibia and proximal, posterior surface of fibula
- i- calcaneus via calcaneal tendon
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plantaris
- a- weak plantar flexion of the ankle
- weak flexion of the knee
- o- lateral condyle of the femur
- i- calcaneus via calcaneal tendon
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popliteus
- a- medially rotate the flexed knee, flex the knee
- 0-lateral epicondyle of the femur
- i- procimal, posterior aspect of tibia
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peroneus longus
- a- evert the foot. assist to plantar flex the ankle
- o- proximal two thirds of lateral fibula
- i- base of the first metatarsal and medial cuneiform
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peroneus brevis
- a- evert the foot, assist to plantar flex the ankle
- o- distal two thirds of lateral fibula
- i- tuberosity of fifth metatarsal
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tibialis anterior
- a- invert the foot, dorsiflx the ankle
- o- proximal lateral surface of tibia and interosseous membrane
- i- medial cuneiform and base of the first metatarsal
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extensor digitorum longus
- a- extend the second through fifth toues, dorsiflex the ankle, ever the foot,
- o- proximal anterior shaft of fibula and interosseous membrane
- i- middle and distal phalanges of second through fifth toes
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extensor hallucis longus
- a- extend the first toe, dorsiflex the ankle, invert the foot
- o- middle anterior surface of fibula and interosseous membrane
- i- distal phalange of first toe
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tibialis posterior
- a-invert the foot, plantar flex the ankle
- o- proximal posterior shaft of tibia, proximal fibula and interosseous membrane
- i- navicular, cuneiforms, cuboid and bases of second through fourth metatarsals
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flexor digitorum longus
- a- flex the second through fifth toes, weak plantar flexion of ankle, invert the foot
- o- middle posterior surface of tibia
- i- distal phalanges of second through fifth toes
-
flexor hallucis longus
- a-flex the first toe, weak plantar flexion of ankle, invert the foot
- o- middle half of posterior fibula
- i- distal phalange of first toe
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