Forearm OA Flashcards
Flexor carpi radialis
O: medial epicondyle of humerus
A: base of 2nd-3rd metacarpals
Palmaris longus
O: medial epicondyle of humerus
A: palmar aponeurosis
Flexor carpi ulnaris
O: medial epicondyle, proximal ulna, medial olecranon
A: pisiform, hook of hamate, base of 5th metacarpal
Flexor digitorum superficialis
O: humeroulnar head, medial epicondyle, radial head, middle third of radius
A: middle phalanges of 2nd-5th metacarpals
Flexor digitorum profundus
O: posterior and medial ulna, interosseous membrane
A: distal phalanges of 2nd-5th digits
Pronator quadratus
O: distal ulna
A: distal radius
Brachioradialis
O: supracondylar ridge of humerus, lateral intermuscular septum
A: styloid process of radius
Extensor carpi radialis longus
O: lateral supracondylar ridge of humerus, intermuscular septum
A: dorsal base of 2nd metacarpal
Extensor carpi radialis brevis
O: lateral epicondyle of humerus
A: dorsal base of 3rd metacarpal
Extensor digitorum
O: lateral epicondyle of humerus
A: 2nd-5th digits dorsally
Extensor carpi ulnaris
O: lateral epicondyle of humerus, posterior ulna
A: base of medial side of 5th metacarpal
Anconeus
O: lateral epicondyle of humerus
A: lateral olecranon, superior distal ulna
Supinator
O: supinator crest and fossa of ulna, lateral epicondyle, radial collateral ligament
A: lateral third of proximal radius
Abductor pollicis longus
O: middle third of posterior radius and ulna, interosseous membrane
A: base of 1st metacarpal
Extensor pollicis longus
O: posterolateral ulna, interosseous membrane
A: base of distal phalanx of 1st digit
