origin - T2-T5insertion - medial border of scapulainnervation - dorsal scapular nerveblood supply - dorsal scapular artery or deep branch transverse cervical arteryaction - fixes scapula to thoracic wall and retracts and rotates glenoid cavity

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1.
origin - T2-T5

insertion - medial border of scapula

innervation - dorsal scapular nerve

blood supply - dorsal scapular artery or deep branch transverse cervical artery

action - fixes scapula to thoracic wall and retracts and rotates glenoid cavity