exercise ball back extension with knees off ground

Equipment

stability ball

Target muscle

spine

How to perform

1. 1

   Place the stability ball on the ground and lie face down on top of it, with your hips resting on the ball and your feet against a wall for stability.

2. 2

   Position your hands behind your head or crossed over your chest.

3. 3

   Engage your core and slowly lift your upper body off the ball, extending your back until your body forms a straight line from your head to your heels.

4. 4

   Pause for a moment at the top, then slowly lower your upper body back down to the starting position.

5. 5

   Repeat for the desired number of repetitions.