1. extensor

noun. a skeletal muscle whose contraction extends or stretches a body part.


  • quadriceps femoris
  • skeletal muscle
  • quadriceps
  • musculus quadriceps femoris
  • extensor muscle
  • quad


  • skeletal muscle
  • striated muscle
  • flexor muscle

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Sentences with extensor

1. Noun, singular or mass
Lower the hand down toward the floor, then extend the hand upward and feel the extensor muscles in your forearm working.

2. Adjective
One 2015 study published in the Journal of Strength and Conditioning Research found this is mainly true for patients who have solid back extensor muscle strength and endurance as well as a low pain intensity level.