rotator

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ro·ta·tor

 (rō′tā′tər)
n.
1. One that rotates.
2. pl. ro·ta·tor·es (rō′tə-tôr′ēz) Anatomy A muscle that serves to rotate a part of the body.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rotator

(rəʊˈteɪtə)
n
1. a person, device, or part that rotates or causes rotation
2. (Anatomy) anatomy any of various muscles that revolve a part on its axis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ro•ta•tor

(ˈroʊ teɪ tər; esp. Brit. roʊˈteɪ-)

n., pl. ro•ta•tors for 1,3, ro•ta•tor•es (ˌroʊ təˈtɔr iz, -ˈtoʊr-)
for 2.
1. a person or thing that rotates.
2. a muscle serving to rotate a part of the body.
[1670–80; < Latin rotātor=rotā(re) (see rotate1) + -tor -tor]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Translations

ro·ta·tor

n. rotador;
a. rotador-a.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
[10] The amount of strength required to perform these forceful movements predispose the shoulder region to instability and muscle imbalance between the internal and external shoulder rotators. [11] Lynch et al.
With a neutral pelvis, knees continuously bent, engage hip muscles (glutes and rotators), lift heels into a forced arch, and lower.
(21) Another possible disadvantage of a medial center of rotation may be insufficient tensioning of the posterior external rotators. This may translate into less active motion and more weakness in external rotation.
Rare-earth iron garnet single crystals with a thickness of several hundred microns, which are grown by the Liquid Phase Epitaxy (LPE) method, are used in Faraday rotators for optical isolators.
In tilt roll rotators, with one or two pairs of rolls, the rotation of the tilt rolls makes the log rotate, Figure 4.
A working demonstration of the Engcon Tilt Rotators will take place at Stand B190 Zone B at the Pembrokeshire County Show, August 15, 16 and 17 2006.
Each of U and Y is a product of n - 1 rotators. Thus Q is a product of 2(n - 1) symplectic double rotators and one symplectic single rotator.
Pressing movements (bench press, military press, etc.), which call on the shoulder's internal rotators, are staples in every program--and over-used in some.
Heat-Pro[TM] Wide Track Drum Rotators improve heat up times and melt rates, providing continuous material agitation via motorized drum rotators.
Gear Products has developed a new range of rotators for mobile equipment applications.