Start in the low boat. Your back is in a c-curved position, belly button squeezing towards the spine. Lift your upper body and bring your knees towards your chest. Extend the knees again.
Categories: Lower Abs
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…