Grab a medicine ball or weight and lie on a stability ball with knees bent. With straight arms bring the weight overhead. As you perform a crunch, bring the ball in front of your chest with straight arms. Stop in the crunched position and rotate to one side. Come back to center, repeat the overhead pullover and rotate to the other side.
Do this exercise with the best exercise equipment. We recommend using a bluetooth chest strap heart rate monitor or a smartwatch for more training optimization & performance tracking.