I Have a Big Back: How to Make It Smaller With the Gym Ball

  • 8 years ago
I Have a Big Back: How to Make It Smaller With the Gym Ball. Part of the series: Improving Your Workout. Making your back smaller with a gym ball is still difficult because it isn't possible to spot reduce. Find out what to do with a gym ball to make your big back smaller with help from a fitness and wellness professional with over 12 years of experience in this free video clip.

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