Human Anatomy: Muscle Groups |
Muscle Function & Other Pertinent Medical Information | |
- INFRASPINATUS - | |
ORIGIN: | Medial three quarters of infraspinous fossa of scapula and fibrous intermuscular septa |
INSERTION: | Middle facet of greater tuberosity of humerus and capsule of shoulder joint |
ACTION: | Laterally rotates arm and stabilizes shoulder joint |
NERVE: | Suprascapular nerve (C5, 6 ) (from upper trunk) |