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Forearm

TermDefinition
pronator teres origin: medial epicondyle of humerus insertion: lateral radius action: pronates forearm nerve: median
flexor carpi radialis origin: medial epicondyle of humerus insertion: 2nd and 3rd metacarpals action: flexes and abducts wrist nerve: median
palmaris longus origin: medial epicondyle of humerus insertion: palmar aponeurosis action: flexes wrist nerve: median
flexor digitorum superficialis origin: medial epicondyle of humerus insertion: middle phalanges of 2nd - 5th digits action: flexes wrist and 2nd - 5th digits nerve: median
flexor carpi ulnaris origin: medial epicondyle of humerus insertion: pisiform, hamate, 5th metacarpal action: flexes and adducts wrist nerve: ulnar
flexor pollicis longus origin: anterior radius insertion: distal phalanx of thumb action: flexes thumb nerve: median
pronator quadratus origin: anterior ulna insertion: anterior radius action: pronates forearm nerve: median
flexor digitorum profundus origin: anterior ulna insertion: distal phalanges of 2nd - 5th digits action: flexes wrist and 2nd - 5th digits nerve: median, ulnar
brachioradialis origin: lateral supracondylar ridge of humerus insertion: styloid process of radius action: flexes elbow nerve: radial
extensor carpi radialis longus origin: lateral epicondyle of humerus insertion: 2nd metacarpal action: extends and abducts wrist nerve: radial
extensor carpi radialis brevis origin: lateral epicondyle of humerus insertion: 3rd metacarpal action: extends and abducts wrist nerve: radial
extensor digitorum origin: lateral epicondyle of humerus insertion: distal phalanges of 2nd - 5th digits action: extends wrist and 2nd - 5th digits nerve: radial
extensor digiti minimi origin: lateral epicondyle of humerus insertion: 5th distal phalanx action: extends wrist and 5th digit nerve: radial
extensor carpi ulnaris origin: lateral epicondyle of humerus insertion: 5th metacarpal action: extends and adducts wrist nerve: radial
supinator origin: lateral epicondyle of humerus, proximal ulna insertion: proximal end of radius action: supinates forearm nerve: radial
abductor pollicis longus origin: posterior radius & ulna, interosseous membrane insertion: 1st metacarpal action: abducts thumb nerve: radial
extensor pollicis brevis origin: posterior radius & ulna, interosseous membrane insertion: proximal phalanx of thumb action: extends thumb nerve: Radial
extensor pollicis longus origin: posterior radius & ulna, interosseous membrane insertion: distal phalanx of thumb action: extends thumb nerve: radial
extensor indicis origin: posterior radius & ulna, interosseous membrane insertion: tendon of extensor digitorum action: extends 2nd digit nerve: radial
abductor pollicis brevis action: abducts thumb nerve: median
adductor pollicis action: adducts thumb nerve: ulnar
flexor pollicis brevis action: flexes thumb nerve: median, ulnar
opponens pollicis action: opposes thumb nerve: median
abductor digiti minimi action: abducts 5th digit nerve: ulnar
flexor digiti minimi action: flexes 5th digit nerve: ulnar
opponens digiti minimi action: opposes 5th digit nerve: ulna
lumbricals action: flexes proximal, extends middle and distal phalanges nerve: median and ulnar
palmar interossei action: adducts fingers nerve: ulnar
dorsal interossei action: abducts fingers nerve: ulnar
Median nerve thumb, index finger, middle finger, lateral half of ring finger and lateral 2/3 of palm
Ulnar nerve pinky finger, medial 1/2 of ring finger and medial 1/3 of hand
Radial nerve posterior surface of arm and forearm, posterolateral surface of the hand
Created by: bblonde
 

 



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