- a muscle that serves to extend or straighten a part of the body.
Origin of extensor
Examples from the Web for extensor
Historical Examples of extensor
They can be extended only by activity of the extensor muscles.
Extensor: that which extends or straightens out; applied to muscles.Explanation of Terms Used in Entomology
John. B. Smith
The extensor tendons and the tendo Achillis are tense and prominent.Surgery, with Special Reference to Podiatry
Diminution of the knee-jerks was noticed, with what seemed to be an extensor response.Tics and Their Treatment
Velpeau advised division of the extensor muscles of the tongue.Psychotherapy
James J. Walsh
- any muscle that stretches or extends an arm, leg, or other bodily partCompare flexor
Word Origin for extensor
1713, short for medical Latin musculus extensor, from Late Latin extensor "stretcher," agent noun from Latin extensus (see extend).
- A muscle that extends or straightens a limb or body part.
- A muscle that extends or straightens a limb or joint. Compare flexor.