Core: Abdominal and Lower Back Exercises

Make your core workout more challenging by adding this elevated leg crunch. Make sure you use a lightweight ball (not a medicine ball).

Step 1

Assume start position as shown by placing a non-weighted ball between your feet.

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Step 2

Bring hands behind head for support, and lift head, neck, and shoulders off floor by contracting your abs.

Step 3

Return to start position.

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