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Sports 2017, 5(2), 40; doi:10.3390/sports5020040

Active Recovery between Interval Bouts Reduces Blood Lactate While Improving Subsequent Exercise Performance in Trained Men

1
Graduate School of Medicine, Kyoto University, Kyoto 660-8501, Japan
2
Department of Physiology, University of Physical Education, Budapest 1123, Hungary
3
Faculty of Sports and Health Science, Doshisha University, Kyotanabe 610-0394, Japan
*
Author to whom correspondence should be addressed.
Received: 12 March 2017 / Revised: 21 May 2017 / Accepted: 8 June 2017 / Published: 12 June 2017
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Abstract

This study aimed to examine the blood lactate and blood pH kinetics during high-intensity interval training. Seventeen well-trained athletes exercised on two different occasions. Exercises consisted of three 30 s bouts at a constant intensity (90% of peak power) with 4 min recovery between bouts followed by a Wingate test (WT). The recoveries were either active recovery (at 60% of the lactate threshold intensity) or passive recovery (resting at sitting position). During the exercise, blood samples were taken to determine blood gasses, blood lactate, and blood pH, and peak and average power were calculated for the WT. When performing the active recovery trials, blood pH was significantly higher (p < 0.01) and blood lactate was significantly lower (p < 0.01) compared with the passive recovery trials. WT performance was significantly higher in the active recovery trials: peak power was 671 ± 88 and 715 ± 108 watts, and average power was 510 ± 70 and 548 ± 73 watts (passive and active respectively; p < 0.01). However, no statistically significant correlations were found between the increased pH and the increased performance in the active recovery trials. These results suggest that active recovery performed during high-intensity interval exercise favors the performance in a following WT. Moreover, the blood pH variations associated with active recovery did not explain the enhanced performance. View Full-Text
Keywords: acidosis; high-intensity interval training; recovery; Wingate test acidosis; high-intensity interval training; recovery; Wingate test
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Nalbandian, H.M.; Radak, Z.; Takeda, M. Active Recovery between Interval Bouts Reduces Blood Lactate While Improving Subsequent Exercise Performance in Trained Men. Sports 2017, 5, 40.

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