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 )