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Brachialis
Region: Shoulder & Arm Muscles · All shoulder & arm muscles
Brachialis at a glance
| Origin | Front of the lower half of the humerus |
|---|---|
| Insertion | Coronoid process and tuberosity of the ulna |
| Actions | Bends the elbow (pure flexor, in any forearm position) |
| Nerve supply | Musculocutaneous nerve (C5–C6), with a small radial contribution |
◆ Good to know
The workhorse of elbow flexion — unlike biceps it works the same whether the palm faces up or down.
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.