This is a step-by-step fully illustrated guide to stretching. Groundbreaking research has made the shocking discovery that static stretching a traditional mainstay of athletes warm-ups has a measurable negative impact on performance. Holding a stretch for 30 seconds or longer doesnt prepare a muscle for exercise it weakens the muscle. Already many top athletes & trainers have abandoned static stretching in favour of dynamic stretching. Now Dynamic Stretching" teaches athletes & exercise enthusiasts everything they need to know. The book explains the physiology behind this breakthrough in sports performance. Then it presents a complete catalog of dynamic stretches with detailed instructions & step-by-step photos of each sequence. Lastly it presents dynamic stretching warm-up programs that have been carefully designed for the individual needs of athletes in 30 different sports including running tennis basketball baseball & softball football hockey skiing & many others. Dynamic stretching may increase muscle strength up to 30 percent over static stretching. Over 200 step-by-step photographs clearly illustrate each stretching movement."