Biology of Sport
pISSN 0860-021X    eISSN 2083-1862
Archival Issues
Volume 34, 2017
Volume 33, 2016
Volume 32, 2015
Volume 31, 2014
Volume 30, 2013
Volume 29, 2012
Volume 28, 2011
Volume 27, 2010
Volume 26, 2009
Volume 25, 2008
Volume 24, 2007
Volume 23, 2006
Volume 22, 2005
Volume 21, 2004
Volume 20, 2003
Archival Issues 1984-1998
Search
Newsletter
Information for Authors
Special Information
 » 
Journal Abstract
 
EFFECT OF THE NUMBER OF SPRINT REPETITIONS ON THE VARIATION OF BLOOD LACTATE CONCENTRATION IN REPEATED SPRINT SESSIONS
Zied Gharbi, Wajdi Dardouri, Radhouane Haj-Sassi , Carlo Castagna, Karim Chamari, Nizar Souissi
Biol Sport 2014; 31(2):151-156
ICID: 1099046
Article type: Original article
IC™ Value: 10.00
Abstract provided by Publisher
 
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<0.001) in blood [La], which reached approximately fivefold resting values (9.4±1.7 mmol · l-1) and then remained unchanged for the RSS of 4 and 5 sprints (9.6±1.4 and 10.5±1.9 mmol · l-1, p=0.96 and 0.26, respectively). After RSS9 and RSS10 blood [La] further significantly increased to 12.6 and 12.7 mmol · l-1, p<0.001, respectively. No significant difference was found between RSS3, RSS4 and RSS5 for the percentage of sprint speed decrement (Sdec) (1.5±1.2; 2.0±1.1 and 2.6±1.4%, respectively). There was also no significant difference between RSS9 and RSS10 for Sdec (3.9±1.3% and 4.5±1.4%, respectively). In conclusion, the repeated-sprint protocol composed of 5 shuttle sprint repetitions is more representative of the blood lactate demands of the team sports game intensity.

ICID 1099046

DOI 10.5604/20831862.1099046
 
FULL TEXT 271 KB


Related articles
  • in IndexCopernicus™
         repeated shuttle sprint [0 related records]
         Lactate [7 related records]
         speed decrement [0 related records]
         team sports [0 related records]


  •  

    Copyright © Biology of Sport  2017
    Page created by Index Copernicus Ltd. All Rights reserved.