Lie on your back, your hands are extended next to your body, palms facing downward. Extend your legs, point your toes and make circles with your legs. Make sure your lumbar region is still touching the ground. Circle the other way around.
Abs
Negative Crunch
Lie on your back, chins and thighs are in 90 degrees or slightly more, also your thighs and your upper back are 90 degrees or a little bit more. Arms are next to your body. Read more…