What muscle allows you to punch a punching bag?

The primary muscles involved in punching a punching bag are the pectoralis major (chest muscles), deltoids (shoulder muscles), and triceps brachii (back of the arm). Additionally, the core muscles, including the rectus abdominis and obliques, play a crucial role in providing stability and generating power during the punch. The legs and hips also contribute to the movement by providing a solid base and enabling rotational force. Overall, a coordinated effort from multiple muscle groups allows for an effective punch.