Examining warm-up decrement as a function of interpolated open and closed motor tasks: implications for practice strategies
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CONTRIBUTORS:
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JOURNAL:
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YEAR:
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1995
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PUB TYPE:
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Journal Article
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SUBJECT(S):
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TENNIS; LEARNING; SKILL; GROUNDSTROKE; AROUSAL; WARM-UP
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DISCIPLINE:
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No discipline assigned
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HTTP:
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LANGUAGE:
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English
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PUB ID:
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103-366-449
(Last edited on
2002/02/27 18:45:01 US/Mountain)
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SPONSOR(S):
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ABSTRACT:
Warm-up decrement (WUD) is a loss in the level of physical performance following rest and prior to subsequent trials. The activity-set hypothesis is one of several explanations for this phenomenon. The purposes of this study were to field test the efficacy of the activity-set hypothesis and explore the effectiveness of performing closed and open interpolated tasks in reducing WUD. The criterion task was hitting tennis ground strokes in response to a ball tossing machine, an open skill. Elite players (n=20) from a tennis club in New South Wales, Australia, practised either a closed or open task, or rested, prior to resuming the first post-test trial, using a repeated-measures design. The results yielded partial support of the activity-set hypothesis. Although the closed interpolated task markedly reduced WUD, open skill practice solicited better post-rest performance. Warm-up decrement was clearly evident under the rest condition. Furthermore, post-rest scores were statistically superior for the open skill condition as compared to practising a closed interpolated task, at least for the first two post-rest trials (trials 21 and 22). The implications for these results in reducing WUD are explored within the frameworks of task classification systems and schema theory.
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