Biceps Brachii Muscle
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Biceps Brachii Origin (2 origins/heads)
1. supraglenoid tubercle of scapula 2. coracoid process of scapula (bipinet -feather shaped)
Biceps Brachii Innervation
Musculocutaneous nerve (C5, C6)
Biceps Brachii Action
supinates forearm, flexes forearm, weakly flexes arm at shoulder (very weak albow flexor- elbow has to be in flexion first (ex: turn knob on door)
Biceps Brachii Insertion
tuberosity of radius, along bicipital aponeurosis on medial part of forearm