Sit on a mat and place a stability ball between your legs (at your calves/ankles). Squeezing the ball in place, lie back onto the floor, keeping feet just off the ground, knees bent. Make sure lower back stays planted and your abs are tight.
EXHALE: Slowly pull your knees in toward your chest without letting your hips come off the ground or momentum swing you.
INHALE: Slowly lower to start without letting your feet rest in between reps.
You may want to place your arms flat on the ground or underneath your lower back for support.
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