SPRI Strong Core & Back Kit

Stretch and strengthen your spine. Alleviate back pain. Improve your overall midsection. Strengthen core muscles to prevent injury. Unique peanut-shape supports the spine and lower legs. Increase range of motion. Correct posture and form. Includes: Anti-Burst CoreFit Ab Ball, Strong Core & Back Workout DVD and Bonus Downloadable Back Pain Relief Workout.

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