weighted hyperextension (on stability ball)

How to do this exercise

1. Step:1 Position yourself face down on a stability ball with your hips resting on the ball and your feet against a wall for stability.
2. Step:2 Place your hands behind your head or cross them over your chest.
3. Step:3 Engage your core and slowly lift your upper body off the ball, extending your back until your body forms a straight line.
4. Step:4 Pause for a moment at the top, then slowly lower your upper body back down to the starting position.
5. Step:5 Repeat for the desired number of repetitions.