4 terms

ch 11. muscles of the

triceps brachii
A:extend forearm. Origin:long head: inferior edge of glenoid cavity; lateral head: lateral posterior humerus; medial head: posterior humerus. Insertion: ulnar olecranon. Nerve:radial
pronator teres
Action: pronates, weakly flexes forearm. Origin: medial epicondyle of humerus, coronoid process of ulna. Insertion: lateral radius. Location: lateral to brachioradialis. Nerve:median
pronator quadratus
Action: pronates forearm. Origin:distal ulna. Insertion:distal radius. Nerve: median
Action: supinates forearm. Origin: lateral epicondyle of humerus, ulna near radial notch. Insertion: radius. Nerve: deep radial.