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Title: Comparison between critical velocity and speed at the anaerobic threshold of moderately trained 5-km runners
Keywords: Transition thresholds
Training control
Limites de transição
Controle de treinamento
Issue Date: 2017
Publisher: Journal of Physical Education and Sport
Citation: GUIMARÃES, M. P.; SILVA, S. F. da. Comparison between critical velocity and speed at the anaerobic threshold of moderately trained 5-km runners. Journal of Physical Education and Sport, São Paulo, v. 17, n. 4, p. 2437-2442, 2017.
Abstract: Approach: In recent years, the increase in the number of distance runners in various events worldwide has been evident. Evaluation and control of training with precise variables and easy applicability of the same variables are necessary. Objective: The objective of this study was to compare the critical velocity and velocity at the anaerobic threshold of moderately trained runners at 5-km. Materials and Methods: A total of 19 male runners with a moderate level of performance participated in the study. The participants performed two procedures to determine the speed of the anaerobic treadmill threshold and the runway critical velocity (maximum performance test of 3000 m and 5000 m). To determine the velocity at the anaerobic threshold, individual blood lactate level assessment was used. For comparison, the t-test was used to determine the Cohen effect size, Pearson linear correlation, and Bland-Altman concordance. Results: The average values found in the treadmill anaerobic threshold velocity and the critical velocity were 13.75 ± 1.37 km/h and 13.70 ± 1.33 km/h, respectively. Identification of positive correlations between the blood lactate methods and the critical velocity was possible. Conclusion: The study found that the estimated threshold velocities in methods using blood lactate and indirect methods (critical velocity) are in agreement with each other. Therefore, the methods presented are safe for the training prescription.
Appears in Collections:DEF - Artigos publicados em periódicos

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