Craniolateral Antebrachial mm. OIA's COMBO Flashcards
Extensor carpi radialis m.
O: lateral epicondyle of humerus (and its crest)
I: dorsoproximal end of MC bones II and III
A: extend carpal joint; flex cubital joint minimally
Common digital extensor m.
O: lateral epicondyle of humerus
I: extensor process of distal phalanges
A: extend carpal and digital joints
Lateral digital extensor m.
O: lateral epicondyle of humerus
I: distal phalanges of lateral digits
A: extend carpal and digital joints
Ulnaris lateralis m.
O: lateral epicondyle of humerus
I: accessory carpal bone and proximolateral MC bone V
A: flex carpal joint; ABduct the manus
Abductor pollicis [digit I] longus m.
AKA: extensor carpi obliquus m.
O: body of ulna
I: proximal MC bone I
A: extend carpal joint; ABduct the first digit
Supinator m.
O: lateral epicondyle of humerus
I: body of radius
A: supination of the manus
Brachioradialis m.
O: lateral epicondyle of humerus
I: carpal fascia
A: flex the cubital joint; supinate the manus
