RHOMBOID MAJOR

Origin

Spines of T2-T5 and supraspinous ligs

Action

Retracts scapula. Rotates scapula to rest position

Insertion

Lower half of posteromedial border of scapula, from angle to upper part of triangular area at base of scapular spine

Nerve

Dorsal scapular N (C5) (from root )