References
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- Burns , N. February 1 2007 . “ Suspension training: How risky is it? ” . In New York Times February 1 , Retrieved from http://www.nytimes.com/2007/02/01/fashion/01Fitness.html?pagewanted=all&_r=0
- Faigenbaum , A. D. 2003 . Youth resistance training. . Sports Biomechanics , 2 : 133 – 140 .