extensor

American  

[ik-sten-ser, -sawr] / ɪkˈstɛn sər, -sɔr /

noun

Anatomy.

1. a muscle that serves to extend or straighten a part of the body.

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extensor British  

/ ɪkˈstɛnsə, -sɔː /

noun

1. any muscle that stretches or extends an arm, leg, or other bodily part Compare flexor

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extensor Scientific  

/ ĭk-stĕn′sər /

1. A muscle that extends or straightens a limb or joint.

2. Compare flexor

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Etymology

Origin of extensor

1700–10; < New Latin, equivalent to Latin extend ( ere ) to extend + -tor -tor, with -dt- > -s-

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Compare meaning

How does extensor compare to similar and commonly confused words? Explore the most common comparisons:

• flexor vs. extensor

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Example Sentences

See Examples For:

extensor

Spieth has been dealing with an injury to his extensor carpi ulnaris, a major tendon in the wrist.

From Seattle Times ● Apr. 10, 2024

If the wrist extensor muscles are contracted, the fingers re-open and the hand releases the pen.

From Science Daily ● Dec. 5, 2023

Clarke Schmidt had been in the mix but has been shut down for three to four weeks due to a strained common extensor tendon near his elbow in his right arm.

From Washington Times ● Feb. 22, 2021

The Angels later announced that Shoemaker experienced tightness in the extensor muscle of his right forearm.

From Los Angeles Times ● Jun. 14, 2017

In the pig, the tendon is blended with that of the common extensor of the internal digits.

From Artistic Anatomy of Animals by ?douard Cuyer

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