Ian Jeffreys Books
Developing Speed
By NSCA National Strength And Conditioning Association, Ian Jeffreys, National Strength & Conditioning Association (Estados Unidos)
Athletes in all sports rely on speed. Whether it involves sprinting down the court on a fast break or chasing a loose ball, speed often contributes to overall athletic ability. Developing Speed tea...
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The Warm-Up: Maximize Performance And Improve Long-Term Athletic Development
By Ian Jeffreys, Jeffreys, Ian
Athletes do not all train the same way, but it is rare to see any athlete—at any level—exercise or compete without warming up. Although the warm-up can take many forms, smart coaches and athletes k...
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