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Arteries and Nerves That Supply the Superficial Layer of Muscles of the Back

The nerves that supply the muscles in this region are the:
  • spinal accessory nerve (cranial nerve XI)
  • branches of cervical nerves 3 and 4 (not shown)
  • dorsal scapular nerve
  • thoracodorsal nerve
back nerves
The arteries that supply the muscles in this region are the:
  • transverse cervical artery and its descending (dorsal scapular) branch
  • thoracodorsal branch of the axillary artery

Superficial Muscles of Back   Bones of Posterior Shoulder

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