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MAP20071019370Lees, AdrianOptimal drop heights for plyometric training / Adrian Lees and Emad FahmiSumario: The purpose of this study was to investigate the effects of drop height in the performance of plyometric training. Vertical jumping ability is important in the performance of a variaty of sports events. Essentially, plyometric muscle training uses the stretch-shorten cycle which is a natural feature of many human movements. The stretch-shorten cycle involves a rapid pre-strech of the muscle by way of an eccentric contraction, and an immediate shortening as a concentratic contractionEn: Ergonomics. - London and Washington. - Vol. 37, nº 1, January 1994 ; p. 141-1481. Ergonomía. 2. Deportes. 3. Atletismo. 4. Ejercicio físico. 5. Biomecánica. 6. Contracciones musculares. I. Fahmi, Emad. II. Título. III. Título: Ergonomics.