Using a Site-Specific Technical Error to Establish Training Responsiveness: A Preliminary Explorative Study
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Weatherwax, Ryan
Harris, Nigel
Kilding, Andrew
Dalleck, Lance
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Dove Medical Press
Abstract
Background: Even though cardiorespiratory fitness (CRF) training elicits numerous health benefits, not all individuals have positive training responses following a structured CRF intervention. It has been suggested that the technical error (TE), a combination of biological variability and measurement error, should be used to establish specific training responsiveness criteria to gain further insight on the effectiveness of the training program. To date, most training interventions use an absolute change or a TE from previous findings, which do not take into consideration the training site and equipment used to establish training outcomes or the specific cohort being evaluated. The purpose of this investigation was to retrospectively analyze training responsiveness of two CRF training interventions using two common criteria and a site-specific TE. Methods: Sixteen men and women completed two maximal graded exercise tests and verification bouts to identify maximal oxygen consumption (VO2max) and establish a site-specific TE. The TE was then used to retrospectively analyze training responsiveness in comparison to commonly used criteria: percent change of >0% and >+5.6% in VO2max. Results: The TE was found to be 7.7% for relative VO2 max. χ2 testing showed significant differences in all training criteria for each intervention and pooled data from both interventions, except between %Δ >0 and %Δ >+7.7% in one of the investigations. Training nonresponsiveness ranged from 11.5% to 34.6%. Conclusion: Findings from the present study support the utility of site-specific TE criterion to quantify training responsiveness. A similar methodology of establishing a site-specific and even cohort specific TE should be considered to establish when true cardiorespiratory training adaptations occur.
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cardiorespiratory fitness, exercise training, training nonresponders, training responders, Science & Technology, Life Sciences & Biomedicine, Sport Sciences, Individual differences, Confirm attainment, Physical activity, Exercise, Responses, Heterogeneity, Nonresponse, Sedentary, Endurance, 32 Biomedical and Clinical Sciences, 3202 Clinical Sciences, 42 Health Sciences, Prevention, 1103 Clinical Sciences, 1106 Human Movement and Sports Sciences, 3202 Clinical sciences, 4207 Sports science and exercise
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Open Access Journal of Sports Medicine, ISSN: 1179-1543 (Print); 1179-1543 (Online), Dove Medical Press, 9(0), 47-53. doi: 10.2147/OAJSM.S155440
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© 2018 The Author(s). This work is published and licensed by Dove Medical Press Limited. Open access.
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Except where otherwise noted, this item's license is described as Creative Commons Attribution - Non Commercial