muscles of back proper

(redirected from deep muscles of back)

muscles of back proper

[TA]
muscles of the back innervated by the dorsal primary rami of spinal nerves; includes erector spinae, transversospinalis, interspinales, and anterior and lateral intertransversii muscles; excludes the superficial back muscles, which are appendicular and are innervated by ventral rami, and the trapezius, innervated by the spinal accessory nerve.