Effect of the number of sprint repetitions on the variation of blood lactate concentration in repeated sprint sessions

The aim of the present study was to examine the effect of number of sprint repetitions on the variation of blood lactate concentration (blood [La]) during different repeated-sprint sessions in order to find the appropriate number of sprint repetitions that properly simulates the physiological demand...

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Bibliographic Details
Published in:Biology of sport 2014-01, Vol.31 (2), p.151-156
Main Authors: Gharbi, Z, Dardouri, W, Haj-Sassi, R, Castagna, C, Chamari, K, Souissi, N
Format: Article
Language:English
Subjects:
Blood levels
lactate
Lactic acid
Original
repeated shuttle sprint
speed decrement
team sports
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Summary:The aim of the present study was to examine the effect of number of sprint repetitions on the variation of blood lactate concentration (blood [La]) during different repeated-sprint sessions in order to find the appropriate number of sprint repetitions that properly simulates the physiological demands of team sport competitions. Twenty male team-sport players (age, 22.2 ± 2.9 years) performed several repeated-sprint sessions (RSS) consisting of 1, 2, 3, 4, 5, 9, or 10 repetitions of 30 m shuttle sprints (2 × 15 m) with 30 s recovery in between. The blood [La] was obtained after 3 min of recovery at the end of each RSS. The present study showed that for RSS of 3 sprints (RSS3) there was a high increase (p
ISSN:0860-021X
2083-1862
DOI:10.5604/20831862.1099046