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Validation and Implementation of the Lactate Minimum Test in Rowing

Journal of Sports Science 2014年第2期2卷 81-89页

作者： claudio perret Andrea Vrana Institute of Sports Medicine Swiss Paraplegic Centre Nottwil CH-6207 Switzerland Department of Health Sciences and Technology Human Movement Sciences ETH Zurich Zurich CH-8057 Switzerland

LMT (lactate minimum test) was found to be a valid and reliable testing concept for different sport disciplines. The aim of this study was to implement and validate the LMT in rowing due to considerable advantages for athletes and coaches compared to other established testing concepts in rowing. Twenty healthy and experienced male rowers completed two LMTs, one 2,000 m all-out trial and several endurance tests for MLSS (maximal lactate steady-state) determination on a rowing ergometer. For all tests performance, VO2, heart rate and lactate concentration were monitored. CV (coefficients of variation) for performance, heart rate and VO2 were all below 3.5% indicating a high reproducibility for these parameters at LM (lactate minimum) as well as at LMTpeak. Only lactate concentrations were revealed not to be well reproducible (CV > 12%). Performance at LM and MLSS showed a significant correlation (r2 = 0.660; P < 0.001). Comparison between data at LMTpeak and the 2,000 m time trial revealed a high correlation between performance and VO2peak data (performance: r2 = 0.923; P < 0.001, VO2peak: r2 = 0.860; P < 0.001). We conclude that the present LMT protocol allows assessment of VO2peak, MLSS and prediction of 2,000 m race performance based on one single test. Therefore, our LMT protocol represents a reliable and valid diagnostic tool for steering and monitoring the training process in rowing.

关键词：运动科学体育运动体育训练运动训练

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