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


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