Stack #61639- ARM Word Scramble
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muscle | origin | insertion | action | nerve |
Biceps brachii | long head-tubercle above glenoid cavity; short head-coracoid process | radial tuberosity and bicipital aponeurosis | flexes forearm @elbow, supinates forearm at radioulnar joints; flexes arm @ shoulder | musculocutaneous |
Coracobrachialis | coracoid process of scapula | middle of medial surface of shaft of humerus | flexes and adducts arm @ shoulder | musculocutaneous |
Deltoid | acromial extremity of clavicle; acromion; spine of scapula | deltoid tuberosity of humerus | LATERAL fibers ABDUCT at shoulder; anterior fibers flex and medially rotate; posterior fibers extend and laterally rotate arm at shoulder | axillary |
Triceps brachii | long head, lateral, medial; long head: infraglenoid tubercle; lateral head: lateral and posterior surface of humerus, superior to radial groove; medial head: entire posterior of humerus, inferior to groove for nerve | olecranon of ulna | extends arm @ shoulder and extends forearm @ elbow | radial |
Brachioradialis | lateral border of distal end of humerus | superior to styloid process of radius | flexes forearm @ elbow, supinates and pronates forearm at radioulnar joints to neutral position | radial |
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sandy
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