Knees to chest ("Crunch, reverse" Core/abdominal strengthening, lifting pelvis, legs 90/90)

Knees to chest ("Crunch, reverse" Core/abdominal strengthening, lifting pelvis, legs 90/90)

Lie on your back with your knees bent and hands behind your head.
Bring your knees toward your chest, and pull your knees and hips up towards you, using the effort in the core muscles.
Your lower back should curl up.
Control the movement as you lower the legs back down.

Required equipment: No equipment, Mat
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