Dictionary

erector spinae en · NOUN

Pronunciation

• /ɪˌrɛk.tɚ ˈspaɪ.niː/ (General-American)

Etymology

From New Latin.

Meanings

1. The group of muscles of the back responsible for erect posture of the vertebral column.
   • 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. 2005, Gregory D. Cramer, Basic and Clinical Anatomy of the Spine, Spinal Cord, and ANS:

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