True or false When throwing a baseball it is important to remember that the arm works by itself. You do not need to include other parts of the body in the throwing motion ?

False.

Explanation:

The arm needs a lot of support to throw an object.

Professional pitchers wind up by crouching, rotating their torso, and using shoulders and upper body weight to propel the ball faster and farther than if only the arms were used.

the answer is false, i know this answer is late but its for anyone else that needs it.

your answer will be a. sorry if im wrong: )