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Biceps Brachii
Region: Shoulder & Arm Muscles · All shoulder & arm muscles
Biceps Brachii at a glance
| Origin | Long head: supraglenoid tubercle of the scapula; short head: coracoid process |
|---|---|
| Insertion | Radial tuberosity and the forearm fascia (bicipital aponeurosis) |
| Actions | Bends the elbow (flexion); Turns the forearm palm-up (supination); Helps flex the arm at the shoulder |
| Nerve supply | Musculocutaneous nerve (C5–C6) |
◆ Good to know
Its long head tendon runs through the shoulder joint; rupture of that tendon gives the classic 'Popeye' bulge in the arm.
More Shoulder & Arm Muscles
Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.