extensor

noun

ex·​ten·​sor ik-ˈsten(t)-sər 

: a muscle serving to extend a bodily part (such as a limb)

Examples of extensor in a Sentence

Recent Examples on the Web

Swimming This classical Pilates exercise targets your lower back muscles and extensors, which help with lifting objects. —Leoni Jesner, Health, 4 Nov. 2024

Related Articles Brent Rooker undergoes surgery on right forearm extensor Despite not being fully healthy all season, Rooker posted career-highs in homers (39), RBIs (112) and batting average (.293), among many other metrics. —Justice Delos Santos, The Mercury News, 4 Oct. 2024

The hip extensors include the gluteus maximus and hamstrings. —Aubrey Bailey, Pt, Dpt, Cht, Verywell Health, 26 Sep. 2024

Knee extensors straighten your knee joint, supporting your body weight with each step. —Aubrey Bailey, Pt, Dpt, Cht, Verywell Health, 26 Sep. 2024

Word History

First Known Use

1615, in the meaning defined above

Kids Definition

extensor

noun

ex·​ten·​sor ik-ˈsten(t)-sər 

: a muscle serving to extend a bodily part (as a leg or arm)

Medical Definition

extensor

noun

ex·​ten·​sor ik-ˈsten(t)-sər  -sȯ(ə)r 

: a muscle serving to extend a bodily part (as a limb)

called also extensor muscle

compare flexor