Strength training is the bread and butter of a good exercise routine, especially if you're an athelete. Whether your sport requires more speed (sprinting) or raw physical power (football), having strong muscles that can easily be stretched is important for keeping vital and fit.
Watch this episode of the Diesel Crew to learn how to do a series of strength training exercises using a medicine ball. These exercises are great for teaching proper acceleration mechanics for novice and youth athletes.
They teach triple extension of the foot, knee, and ankle in body positions specific to horizontal/vertical jumping and sprint starts.