Preserve Your Fast Twitch Muscles
Posted by: clydehedlund on Jan-11-13 7:03 AM (EST)
Or they'll shrivel up if you don't sprint. Do it often and you'll find yourself warming up at 80 spm, for sprinting seems to awaken the whole body.
Gedi Convertible Helmet
Kayak & Canoe Outriggers
Heel and Pegpads™
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