Long Head Origin
Supraglenoid tubercle & superior glenoid labrum
Short Head Origin
Coracoid process of the scapula
Insertion (Bone)
Radial tuberosity
Insertion (Fascia)
Bicipital aponeurosis inserts into deep forearm fascia
Actions
- Elbow flexion
- Forearm supination
- Shoulder dynamic stability
- Very weak shoulder flexion
Innervation
- Musculocutaneous nerve (C5, C6)
Blood Supply
- Brachial artery and its branches, particularly the ulnar collateral artery
Would you like to learn more about the biceps brachii muscle? Then check out the biceps brachii muscle article and video by clicking the link below: Biceps Brachii Muscle Anatomy
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