Jack knife Sit-Up
Performing the: A Step-by-Step Tutorial Jack knife Sit-Up
- In a smooth, controlled motion, lift your upper body off the ground while simultaneously raising your legs, bending your knees slightly if needed.
- Continue to raise your body until your fingers touch your toes or ankles, forming a 'V' shape with your body, this is the jackknife position.
- Hold this position for a second, then slowly lower your body back down to the starting position.
- Repeat this movement for the desired number of repetitions, ensuring to keep your movements controlled and your core engaged throughout.
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