Definition, Meaning & Synonyms

extensor

Noun
/ɪkˈstɛnsər/
Definition
A muscle whose contraction extends a limb or part of the body.
Examples
  • The extensor muscles in the forearm help to straighten the fingers.
  • During physical therapy, the therapist focused on strengthening the extensor muscles of the knee.
  • When performing the deadlift, it is essential to engage the extensor muscles of the legs for stability.
Meaning
The term extensor refers to a type of muscle that works to straighten or extend a body part. This is particularly important in the limbs, such as the arms and legs, to enable movement and facilitate various actions.
Synonyms
  • extensile
  • extensor muscle
  • muscle responsible for extension