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Jack knife Floor
Performing the: A Step-by-Step Tutorial Jack knife Floor
In a smooth, controlled motion, lift your upper body and lower body at the same time towards each other, bending at the waist.
Try to touch your knees with your hands or your elbows, maintaining a straight spine and keeping your legs as straight as possible.
Slowly lower your upper and lower body back to the starting position, ensuring to keep your core engaged throughout the movement.
Repeat this movement for the desired number of repetitions or for a set amount of time.
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