noun
- a muscle that rotates the forearm so that the palm faces upward
Usage: anatomy
Examples
- The supinator muscle allows you to turn your palm upward.
- Damage to the supinator can affect your ability to rotate your forearm.
- The physical therapist examined the patient’s supinator function.
- Tennis players often strain their supinator muscles from repetitive motions.
- The supinator works opposite to the pronator muscle.
- Anatomists study the supinator as part of the forearm muscle group.