RHOMBOID MAJOR
ORIGIN Spines of T2-T5 and supraspinous ligaments |
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INSERTION Lower half of posteromedial border of scapula, from angle to upper part of triangular area at base of scapular spine |
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ACTION Retracts scapula. Rotates scapula to rest position |
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NERVE Dorsal scapular nerve (C5) (from root ) |