Core: Abdominal and Lower Back Exercises

This core exercise is a terrific way to strengthen the midsection. You'll need a stability ball and a medicine ball for this abdominal crunch.

Step 1

Assume start position as shown by lying on floor and placing feet on stability ball.

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Step 2

Lift medicine ball up and out towards or past knees.

Step 3

Make sure to lift head, neck, and shoulders off of the floor.

For more great exercises to improve your strength and fitness, check out: