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Modeling the training-performance relationship using a mixed model in elite swimmers.

Abstract : PURPOSE: The aim of this study was to model the relationship between training and performance in 13 competitive swimmers, over three seasons, and to identify individual and group responses to training. METHODS: A linear mixed model was used as an alternative to the Banister model. Training effect on performance was studied over three training periods: short-term, the average of training load accomplished during the 2 wk preceding each performance of the studied period; mid-term, the average of training load accomplished during weeks 3, 4, and 5 before each performance; and long-term, weeks 6, 7, and 8. RESULTS: Cluster analysis identified four groups of subjects according to their reactions to training. The first group corresponded to the subjects who responded well to the long-term training period, the second group to the long- and mid-term periods, the third to the short- and mid-term periods, and the fourth to the combined periods. In the model, the intersubject differences and the evolution over the three seasons were statistically significant for the identified groups of swimmers. Influence of short-term training was negative on performance in the four groups, whereas mid- and long-term training had, on the average, a positive effect in three groups out of four. Between seasons 1 and 3, the effect of mid-term training declined, whereas the effect of long-term training increased. The fit between real and modeled performances was significant for all swimmers (0.15
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Submitted on : Monday, May 28, 2007 - 2:41:20 PM
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Marta Avalos, Philippe Null Hellard, Jean-Claude Chatard. Modeling the training-performance relationship using a mixed model in elite swimmers.. Medicine and Science in Sports and Exercise, American College of Sports Medicine (ACSM), 2003, 35 (5), pp.838-46. ⟨10.1249/01.MSS.0000065004.05033.42⟩. ⟨inserm-00149768⟩



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