- the act of bending a limb.
- the position that a limb assumes when it is bent.
Chiefly British. flection(defs 1–3).
Origin of flexion
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
c.1600, from Latin flexionem (nominative flexio) "a bending, swaying; bend, turn, curve," noun of action from past participle stem of flectere "to bend" (see flexible).
Online Etymology Dictionary, © 2010 Douglas Harper
Flexion of a limb or part beyond its normal range.
The act of bending a joint or limb in the body by the action of flexors.
The condition of being flexed or bent.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.