A modified incremental shuttle run test for the determination of peak shuttle running speed and the prediction of maximal oxygen uptake
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CONTRIBUTORS:
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JOURNAL:
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YEAR:
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1999
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PUB TYPE:
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Journal Article
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SUBJECT(S):
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PHYSICAL-FITNESS; SHUTTLE-RUN-TEST; OXYGEN-CONSUMPTION; TESTING; DROP-OUT; ELITE-ATHLETE; LACROSSE; NETBALL
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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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103-366-703
(Last edited on
2002/02/27 18:44:58 US/Mountain)
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SPONSOR(S):
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ABSTRACT:
The aim of this study was to determine the incidence of subject drop-out on a multi-stage shuttle run test and a modified incremental shuttle run test in which speed was increased by 0.014 m.s-1 every 20-m shuttle to avoid the need for verbal speed cues. Analysis of the mutli-stage shuttle run test with 208 elite female netball players and 381 elite male lacrosse players found that 13 (+/- 3) players stopped after the first shuttle of each new level, in comparison with 5 (+/- 2) players on any other shuttle. No obvious drop-out pattern was observed on the incremental shuttle run test with 273 male and 79 female undergraduate students. The mean difference between the test-retest condition (n = 20) for peak shuttle running speed (-0.03 +/- 0.01 m.s-1) and maximal heart rate (0.4 +/- 0.1 beats.min-1) on the incremental test showed no bias. The 95 % absolute confidence limits of agreement were +/- 0.11 m.s-1 for peak shuttle running speed and +/- 5 beats.min-1 for maximal heart rate. The relationship (n = 27) between peak shuttle running speed on the incremental shuttle run test (4.22 +/- 0.14 m.s-1) and VO2max (59.0 +/- 1.7 ml.kg-1.min-1) was r = 0.91 (P < 0.01), with a standard error of prediction of +/- 2.6 ml.g-1.min-1. These results suggest verbal cues during the multi-stage shuttle run test may influence subject drop-out. The incremental shuttle run test shows no obvious drop-out pattern and provides a valid estimate of VO2max.
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