Getbig.com: American Bodybuilding, Fitness and Figure
Getbig Main Boards => Gossip & Opinions => Topic started by: tallgerman on December 05, 2010, 03:01:48 PM
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http://sportsmedicine.about.com/od/sampleworkouts/a/30sec_sprints.htm (http://sportsmedicine.about.com/od/sampleworkouts/a/30sec_sprints.htm)