AN ANALYSIS OF THE TOUCHDOWN AND TAKEOFF CHARACTERISTICS OF THE MEN'S LONG JUMP NATIONAL CHAMPIONSHIP EVENT Authors A. Lees D. Derby N. Fowler Downloads PDF Issue 10 International Symposium on Biomechanics in Sports (1992) Section Coaching and Sports Activities License Authors can retain copyright, while granting the International Society of Biomechanics in Sports (ISBS) the right of first publication.