Optimal drop heights for plyometric training

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      <subfield code="a">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 contraction</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 37, nº 1, January 1994 ; p. 141-148</subfield>
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