extensor

Noun

1. 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...
   • The bird is then off on a mad dash like an aquatic Roadrunner cartoon: It spreads its legs wide with strong extensor thrusts and long forward strides, and it then steps in the water four or five times, increasing its...