pronator

/ˈproʊneɪtər/
noun
  1. A muscle that causes pronation of the forearm or hand.
    • Injuries to the pronator can make it hard to turn a doorknob.
    • The pronator teres is a muscle in the forearm that helps rotate the hand.
    • The physical therapist massaged the pronator to relieve tension.
  2. A person or thing that pronates, especially a runner whose foot rolls inward.
    • Pronators often benefit from orthotic insoles.
    • The coach identified him as a pronator and adjusted his training plan.
    • As a heavy pronator, she needs stability shoes for her daily runs.
Antonyms
What does "pronator" mean? | whatsthatwordmean | whatsthatwordmean