Also found in: Dictionary, Encyclopedia, Wikipedia.

ro·ta·tor mus·cle

1. one of the rotatores (muscles);
2. muscle that produces a rotation, alone or in concert with other rotators, around an axis, for example, rotator muscles of vertebral column.
Synonym(s): musculus rotator [TA], rotator

ro·ta·to·res (mus·cles)

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 rotatores [TA]
Farlex Partner Medical Dictionary © Farlex 2012


1. One that rotates.
2. pl. rotatores (rō′tə-tôr′ēz) Anatomy A muscle that serves to rotate a part of the body.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


A muscle by which a part can be turned circularly.
See also: rotation
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
(CSE: ORTH) ('Ortho RTi' or the 'Company'), an emerging Orthobiologics company, provided today a business update on its Ortho-R rotator cuff program.
Baseball pitchers and other athletes aren't the only people who experience rotator cuff injuries.
The hand spring fits into a slot in the rotator hand and will need to be replaced.
Last month, the company announced the enrollment of the first patients in its rotator cuff tendinopathy pivotal trial.
'I just came back here in the Philippines for therapy for my tight shoulder and my rotator cuff,' said Espejo in Filipino Saturday at Mall of Asia Arena.
Rotator cuff tears are common injuries, and proper healing of the shoulder muscle is often difficult.
Athletes who excessively use their shoulders--such as handball players-are at the greatest risk of a rotator cuff injury.
Conventional radiographs remain the first step in evaluating a patient with shoulder pain as the clinical signs and symptoms of rotator cuff syndromes are nonspecific and neoplasms of bone or soft tissues can mimic rotator cuff pathology.
As mechanical advancements in rotator cuff repairs (RCR) begin to plateau, some researchers have moved toward trying to optimize the shoulder joint's biologic environment.
In this article, the most common indications for shoulder MRI are reviewed and discussed, but we focused primarily on the rotator cuff syndrome and shoulder instability.
KFx Medical LLC has five agreements that license the same patents to other medical device companies, giving them the right to promote the use of products and techniques for knotless double row rotator cuff repair as claimed in U.S.
SAN DIEGO--Patients who received a corticosteroid injection within 6 months prior to rotator cuff repair were more likely to undergo a revision rotator cuff surgery within the following 3 years, results from a large database study show.