erector spinae

English

Etymology

Pronunciation

(General American) IPA^(key): /ɪˌrɛk.tɚ ˈspaɪ.niː/

Noun

erector spinae (plural erectores spinae)

(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.

Further reading

erector spinae on Wikipedia.Wikipedia

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