flex·​ion | \ ˈflek-shən How to pronounce flexion (audio) \

Definition of flexion

1 : the act of flexing or bending
2 : a part bent : bend
4a : a bending movement around a joint in a limb (such as the knee or elbow) that decreases the angle between the bones of the limb at the joint — compare extension sense 3b
b : a forward raising of the arm or leg by a movement at the shoulder or hip joint

Examples of flexion in a Sentence

Recent Examples on the Web That might be more appropriate for some because the curl-up doesn't challenge the hip flexion power, which is so important in athleticism, whereas the single arm and the opposite leg lift just has the opposite hand under the low back. Greg Presto, Men's Health, 14 July 2022 The intensity of the repeats should first focus on strong form and technique with your head up, arms parallel (think hip to nip), and strong hip and knee flexion and extension. Lukus Klawitter, Outside Online, 27 July 2020 Flex one foot upward, hold for five seconds, and then instead of moving from flexion to extension immediately, continue the flex, leading with the ball of your foot reaching forward. Stephanie Mansour, CNN, 9 June 2022 Better Still Another cable exercise which offers greater efficiency is the cable flex curl, which involves a higher anchor point and so introduces shoulder flexion into the movement, enabling good peak contraction at the top of the rep. Philip Ellis, Men's Health, 1 June 2022 The training plan involves one workout a week, typically including six exercises on Nautilus One machines: chest press, pulldown, leg press, abdominal flexion, back extension, and either hip adduction or abduction. Alex Hutchinson, Outside Online, 2 Feb. 2021 Also in this category is the straight arm pushdown, which is aptly named: any flexion of the elbow at all will end up recruiting the triceps into the movement, so be mindful. Philip Ellis, Men's Health, 6 Apr. 2022 The brand jumps off-road with the application of Guide Sole technology, its rockered road shoe geometry that reduces ankle flexion, and its Flytfoam midsole cushioning. Adam Chase, Outside Online, 25 May 2021 Single-leg balance moves increase ankle strength, and moves like ankle flexion with a resistance band, calf stretches, and deep squats (sink hips all the way to ankles and stay there for several minutes) will release tightness and improve mobility. Amanda Macmillan, Outside Online, 30 June 2015 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flexion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of flexion

1615, in the meaning defined at sense 1

History and Etymology for flexion

borrowed from Latin flexiōn-, flexiō "act of bending or curving," from flectere "to cause to go in a different direction, bend, curve" (of uncertain origin) + -tiōn-, -tiō, suffix of verbal action

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The first known use of flexion was in 1615

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Last Updated

29 Jul 2022

Cite this Entry

“Flexion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flexion. Accessed 11 Aug. 2022.

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More Definitions for flexion


variants: also flection \ ˈflek-​shən How to pronounce flexion (audio) \

Medical Definition of flexion

1 : a bending movement around a joint in a limb (as the knee or elbow) that decreases the angle between the bones of the limb at the joint — compare extension sense 2
2 : a forward raising of the arm or leg by a movement at the shoulder or hip joint

More from Merriam-Webster on flexion

Britannica.com: Encyclopedia article about flexion


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