extensor

Etymology

noun

  1. (anatomy) A muscle whose contraction extends or straightens a limb or body part.
    Starting at the point of shoulder, use muscle squeezings, picking-ups, kneadings and gentle frictions, interspersed with effleurages, over the triceps muscle as well as the fleshy part of the flexor and extensor muscle groups. 2004, Jean-Pierre Hourdebaigt, Canine Massage: A Complete Reference Manual

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