Lay down flat on your back with feet together. Raise your knees so your feet are still touching the ground. Place your hands on your stomach. When you sit up, make sure your feet stay flat on the ground and your hands slide down your legs a little past your knees and then repeat this process 40 times.
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.
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