Jack knife on Ball
Performing the: A Step-by-Step Tutorial Jack knife on Ball
- Keep your body in a straight line from your head to your heels, this is your starting position.
- Tighten your abs and tuck your knees into your chest, rolling the ball towards you.
- Hold this position for a moment, then slowly extend your legs back out, rolling the ball away from you.
- Repeat this motion for the desired amount of repetitions, making sure to keep your core engaged throughout the exercise.
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