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Erector Spinae Back Extension-23

Stability Ball Lower Back Exercises. Part of the series: Stability Ball Exercises. Gentle exercises that use a stability ball for support can work your glutes and lower back to strengthen this critical area of the anatomy. Find out how you can safely strengthen your lower back in this free video on stability ball exercises. Read more: http://www.ehow.com/video_7573234_stability-ball-lower-back-exercises.html

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