You don't have to lift heavy weights to build muscle strength. Lifting lighter weights can be just as effective if you do it right, and you're much less likely to hurt yourself, researchers say.
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Read the complete post at http://www.npr.org/blogs/health/2012/04/30/151710725/lighter-weights-can-still-make-a-big-fitness-difference?ft=1&f=103537970
Posted
May 01 2012, 05:35 AM
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Shots - Health Blog