Human Anatomy: Muscle Groups |
| Muscle Function & Other Pertinent Medical Information | |
| - TERES MAJOR - | |
| ORIGIN: | Oval area (lower third) of lateral side of inferior angle of scapula below teres minor |
| INSERTION: | Medial lip of bicipital groove of humerus |
| ACTION: | Medially rotates and adducts arm. Stabilizes shoulder joint |
| NERVE: | Lower subscapular nerve (C5, 6) (from posterior cord) |