Crunches on the ball

How to do crunches on a ball?

The movement is performed by:

• abdominal muscles

Starting position:

Lie on your back on the ball, knees bent, feet apart and firmly planted on the ground. Your torso should be parallel to the floor. The ball should be placed under your lumbar spine. Press your lumbar spine into the ball. Place your fingers behind your head, elbows spread apart.

Movement: Lift your torso, bringing your sternum toward your pubic bone, and then slowly return to the starting position. Repeat.

Tips: The ball should be placed under your lumbar spine. Your lumbar spine should be pressed against the ball. Don't raise yourself too high. Don't pull your head with your hands.

You will need an exercise ball for this exercise.