The reverse crunch is a challenging core exercise that primarily hits your rectus abdominis, the muscle in your abdomen that makes up your “six-pack.” It’s a simple exercise that you can pick up in minutes, and is great for beginners and fitness aficionados alike .
Read moreWhat is a Swiss ball reverse crunch?
Lie on your back with your hands out to your sides while squeezing a Swiss ball in between your feet. Keeping your legs as straight as possible, lift the ball up and off of the ground. Push the ball towards the sky while curling your lower back off of the floor. Slowly lower to the starting position.21 Şub 2014
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