Human Anatomy: Muscle Groups |
Muscle Function & Other Pertinent Medical Information | |
- 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) |