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Muscles of Arm III

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ahalyamarar's version from 2017-04-07 08:46

Section

Question Answer
Biceps brachii orignShort head: coracoid process, Long head: supraglenoid tubercle
Biceps brachii insertionRadial tuberosity and bicipital aponeurosis
Biceps brachii actionFlexion of shoulder and elbow, plus supination of flexed forearm
Biceps brachii external structureFusiform; 2 heads
Brachialis originAnterior distal surface of humerus
Brachialis insertionCoronoid process of ulna
Brachilais actionFlexion of elbow
Triceps brachii originLong head: infraglenoid tubercle of scapula, lateral head: superior lateral margin of humerus, medial head: posterior surface of humerus interior to radial groove
Triceps brachii insertionOlecranon process of ulna
Triceps brachii actionExtension of elbow, long head: extension and adduction of shoulder
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