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rhomboid major (greater rhomboid)
Origin:
-> spinous processes & corresponding supraspinous ligaments of 1st 4 thoracic vertebrae
Insertion: medial scapula below spinous attachment
Action: draws scapula toward vertebral column & slightly upward
Innervation: dorsal nerve of scapula
General
skeletal muscle (voluntary muscle)
References
Stedman's Medical Dictionary 26th ed, Williams &
Wilkins, Baltimore, 1995
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