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Unformatted text preview: surface of humerus (lateral head); posterior surface of humerus ( medial head) o insertion: olecranon of ulna o action: extends forearm at elbow joint & extends arm at shoulder joint- Pronators:- pronator teres o origin: medial epicondyle of humerus & coronoid process of ulna o insertion: midlateral surface of radius o action: pronates forearm at radioulnar joints & weakly flexes forearm at elbow joint Muscles that move the wrist, hand, thumb & fingers- Flexors:- flexor carpi radialis o origin: medial epicondyle of humerus o insertion: 2 nd & 3 rd metacarpals o action: flexes & abducts hand at wrist joint- palmaris longus o origin: medial epicondyle of humerus o insertion: flexor retinaculum & palmar aponeurosis o action: weakly flexes hand at wrist joint page5...
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- Fall '10
- Anthropology, Biceps brachii muscle, Triceps brachii muscle, Brachioradialis, Medial epicondyle