Human Anatomy: Muscle Groups |
| Muscle Function & Other Pertinent Medical Information | |
| - RHOMBOID MAJOR - | |
| ORIGIN: | Spines of T2-T5 and supraspinous ligaments |
| INSERTION: | Lower half of posteromedial border of scapula, from angle to upper part of triangular area at base of scapular spine |
| ACTION: | Retracts scapula. Rotates scapula to rest position |
| NERVE: | Dorsal scapular nerve (C5) (from root ) |