「supinate」を英語から日本語に翻訳する

(transitive, anatomy) To twist the forearm so as to turn the palm of the hand backwards if the forearm is pointing up, upwards if the forearm is horizontal, or forwards if the arm is pointing down; to twist the forarm by contracting the biceps brachii; to twist the right forearm clockwise or the left forearm counterclockwise. [..]