erector spinae

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English

Etymology

From New Latin.

Pronunciation

Noun

erector spinae (plural erectores spinae)

  1. (anatomy) The group of muscles of the back responsible for erect posture of the vertebral column.
    • 2005, Gregory D. Cramer, Basic and Clinical Anatomy of the Spine, Spinal Cord, and ANS:
      The erector spinae are all innervated by lateral branches of the posterior primary divisions (dorsal rami) of the nearby spinal nerves and are covered posteriorly in the thoracic and lumbar regions by the thoracolumbar fascia.

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