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Ant/Post Arm Muscles
(O)= origin, (I)= insertion, (N)= innervation, (A)= action
4
Anatomy
Undergraduate 4
10/04/2010

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Cards

Term
Biceps brachii
Definition
(O)- short head- coracoid process; long head- attachment over common flexor tendon
(I)- radial tuberosity
(N)- musculocutaneous nerve
(A)- flexes elbow joint and supinates forearm
Term
brachialis
Definition
(O)- lower half of front humerus
(I)- coronoid process of ulna
(N)- musculocutaneous nerve
(A)- major forarm flexor; primary muscle responsible for maintaining flexion
Term
triceps brachii
Definition
(O)- (long head) infraglenoid tubercle of scapula; (lateral head) posterior humerus proximal to the radial groove; (medial head)posterior humerus distal to radial groove
Term
Anconeus
Definition
(O)- lateral epicondyle of humerus
(I)- lateral aspect of olecranon process
(N)- radial nerve
(A)- assists in elbow or forearm extension
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