elbow Flashcards
(5 cards)
brachialis
O: ant. distal humerus
I: coronoid process and tuberosity of ulna
A: flexes forearm at elbow
N: musculocutaneous and c5-c6, radial c7
triceps
O: post humerus, infraglenoid tubercle of scap
I: olecranon process of ulna
A: extends forearm and shoulder
N: Radial nerve (c6-c8)
biceps brachii
O: supraglenoid tubercle of scap, coracoid process of scapula
I: radial tuberosity and antebrachial fascia
A: supinates forearm, flexes arm at elbow, flexion of shoulder
N: musculocutaneous nerve (c5-c6)
brachioradialis
O: lateral supracondylar ridge of humerus
I:: lat aspect of distal radius
A: flexes arm at elbow
N: radial nerve c5-c6
anconeus
O: post lat epicondyle of humerus
I: olecranon, body of ulna
A: extends elbow
N: Radial nerve c7-c8