If you have a stability ball, and a core that you want toned, this workout is all you! This workout may feel challenging if you are new to using a stability ball, but stick with it, the stability ball is one of the best pieces of equipment to develop strong abs.
✓ Earn points, compete on the Leaderboard, stay motivated!
✓ Scheduling to fit your busy lifestyle
Recommended Gear
Do this workout with the best exercise equipment. We recommend using a bluetooth chest strap heart rate monitor or a smartwatch for more training optimization & performance tracking.