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  • 4/9/2010
http://www.velocitysp.com | Sadly, some popular core strengthening moves might be making your body more susceptible to back injuries. The latest science in the performance training industry points to the following exercises (seen in this Performance Tip) that provide the right mix of strengthening for your core and back, and send BIG caution signs for those who are not cutting back on potentially harmful reps.

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