Strength’s Effect on Speed. I get tons of emails from coaches and players asking about every speed-training device under the sun. Parachutes, cones, hurdles, towing devices, and special shoes and usually the subject at hand. ...For purchasing details and more information on Supertraining by Dr Mel Siff please click here
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Tags: Cones, Emails, Hurdles, Parachutes, Shoes, Speed Training, Sun