exercise that resembles

The crunch is an exercise that resembles the starting position of the sit-up, but it differs in that you do not have to take off the lumbar spine from the floor to produce the shrinkage of the trunk.

One is the elevation of legs from the floor, when lying on your back and there is an upward movement https://foodsocietyx.com, since it is an exercise that involves more flexor muscles of the hip and less of the abdominal.

This exercise is even more dangerous when the variant is performed in which a person lying down, they keep their feet in the air and throw their legs to the ground, having to stop them in their tracks before they make contact.