VMED5123 Antebrachium E. mm.

origin:The lateral supracondylar crest.

insertion:The small tuberosities on the dorsal surfaces of the base of metacarpals II and III.

action:To extend the carpus

origin:crest of the lateral epicondyle

insertion:the fascia on the craniomedial aspect of the antebrachium

action:rotate the radius craniolaterally (supination)

origin:The lateral epicondyle of the humerus

insertion:The ungunal crest (extensor processes) of the distal phalanges of digits II, III, IV, and V

action:To extend the joints of the four principal digits and the carpus

origin:The lateral epicondyle of the humerus

insertion:The proximal ends of all the phalanges of digits III, IV, and V, but mainly the ungunal crest (extensor processes) of the distal phalanges of these digits.

action:To extend the carpus and joints of digits III, IV, and V

origin:The lateral epicondyle of the humerus

• insertion:The lateral aspect of the proximal end of metacarpal V and the accessory carpal bone. 

action:To abduct the manus and flex the carpal joint and support the carpus when extended to support weight

origin:The lateral epicondyle of the humerus.

insertion:The cranial surface of the proximal fourth of the radius

action:To rotate the forearm laterally so that the palmar side of the paw faces medially (supination); to flex the elbow

origin:The lateral border and cranial surface of the body of the ulna; the interosseous membrane

insertion:The proximal end of metacarpal I

action:To abduct the first digit or pollex and extend the carpal joints

origin:The medial epicondyle of the humerus

insertion:The medial border of the radius between the proximal and middle thirds

action:To rotate the forearm medially so that the palmar side of the paw faces the ground (pronation); to flex the elbow