Stretching books are strong fitness backlist titlesBut this is the first and only book on dynamic stretching (all the comps teach the old static stretches that can reduce muscle strength by up to 30%)Author is a highly respected trainer and top expert on dynamic stretchingDescribes and pictures step-by-step stretching moves for every muscle group Includes programs for 30 different sports, including running, tennis, basketball, baseball and softball, football, hockey, skiing, and many others