|true muscles of back -->|
deep muscles of back
Muscles of the back innervated by the dorsal primary rami of spinal nerves; includes erector spinae, transversospinalis, interspinal, and intertransverse muscles; excludes the superficial back muscles which are appendicular and are innervated by ventral rami, and the trapezius, innervated by the spinal accessory nerve.
Synonyms: true muscles of back.
(05 Mar 2000)
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