Develop your punching muscle with this exercise: | Men's Health

We love the kneeling serratus punch to help train the serratus anterior muscle to upwardly rotate the shoulder blade with resistance. To perform, start in a half kneeling position. Find neutral spine and upwardly rotate the shoulder blade to move your arm overhead. Think about the serratus muscle right on the ribs under the armpit and perform a hip hinge without letting serratus turn off. In this position, gravity is pushing down on the arm and loading the serratus muscle. Keep the serratus acti