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Medical Term:

rotatores (muscles)


Definition: deepest of the three layers of transversospinalis muscles, chiefly developed in the thoracic region; they arise from the transverse process of one vertebra and are inserted into the root of the spinous process of the next two or three vertebrae above; action, traditionally described as a column, it is more likely that these muscles, provided with a very high density of muscle spindles, are organs of proprioception; nerve supply, dorsal primary rami of the spinal nerves.

Synonym(s): musculi rotatoresTA

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.