A pitcher throws a baseball by lowering the forearm to straighten the arm. During this movement, the biceps muscle ________ and the triceps muscle ________.

Question

Quizplus · Accepted Answer

During the action of throwing a baseball by lowering the forearm to straighten the arm, the biceps muscle relaxes and the triceps muscle contracts. The triceps is the primary muscle responsible for extending the arm, while the biceps primarily flexes the arm.

A Pitcher Throws a Baseball by Lowering the Forearm to Straighten