1. to turn (the hand or forearm) so that the palm faces upward or forward
Usage: medical; anatomical

Examples

• The physical therapist asked her to supinate her wrist during the exercise.
• When you supinate your arm, your thumb moves away from your body.
• The doctor tested his ability to supinate and pronate his forearm.
• She had difficulty supinating her left hand after the injury.
• The tennis coach taught him to supinate his racket arm for better serves.
• Supinate your palm to catch the ball properly.