Feb 2, 2010 3:25 AM:
a simple and very effective exercise. i add weight plates on my legs just above my knees to make it abit more difficult.
a simple and very effective exercise. i add weight plates on my legs just above my knees to make it abit more difficult.-See Less
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Feb 2, 2010 3:25 AM: a simple and very effective exercise. i add weight plates on my legs just above my knees to make it abit more difficult.