SUPRASPINATUS
| ORIGIN Medial three quarters of supraspinous fossa of scapula, upper surface of spine (bipennate) |
 |
| INSERTION Superior facet on greater tuberosity of humerus and capsule of shoulder joint |
|
| ACTION Abducts arm and stabilizes shoulder joint |
|
| NERVE Suprascapular nerve (C5, 6)(from upper trunk) |