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Subscapularis
Region: Shoulder & Arm Muscles · All shoulder & arm muscles
Subscapularis at a glance
| Origin | Subscapular fossa (front surface of the scapula) |
|---|---|
| Insertion | Lesser tubercle of the humerus |
| Actions | Rotates the arm inward (medial rotation); Stabilises the shoulder joint |
| Nerve supply | Upper and lower subscapular nerves (C5–C7) |
◆ Good to know
The only rotator cuff muscle on the front of the scapula and the cuff's main internal rotator.
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.