A Nonmotorized Treadmill Test to Assess Children’s Short-Term Power Output

in Pediatric Exercise Science
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The purpose of this study was to develop a nonmotorized treadmill sprint test (ExNMT) to assess children’s short-term power output, to establish the test’s repeatability, and to compare the results to corresponding Wingate anaerobic test (WAnT) measurements. Nineteen children (aged 10.9±0.3 years) completed 2 ExNMTs and 2 WAnTs. Statistical analysis revealed coefficients of repeatability for the ExNMT that compared very favorably with the WAnT for both peak power (26.6 vs. 44.5 W) and mean power (15.3 vs. 42.1 W). The validity of the ExNMT as a test of anaerobic performance is reflected by significant correlations (p ≤.05) with the WAnT (peak power, r = 0.82; mean power, r = 0.88) and reinforced by the relatively high post-exercise blood lactate concentrations (7.1 ± 1.3 vs. 5.6 ± 1.5 mmol · L−1 for the ExNMT and WAnT, respectively). This study has developed a promising laboratory running test with which to examine young people’s short-term power output.

N.C. Sutton, D.J. Childs, and N. Armstrong are with the Children’s Health and Exercise Research Centre at the University of Exeter, Exeter, EX1 2LU, UK. O. Bar-Or is with the Children’s Exercise and Nutrition Center at McMaster University, Hamilton, Ontario, L8N 3Z5, Canada.

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