Prolonged repeated-sprint ability is related to arterial O2 desaturation in men

International Journal of Sports Physiology and Performance
François Billaut, Kurt Smith

Abstract

The ability to repeatedly generate maximum power output is usually accompanied by neuromuscular adjustments. This study aimed to explore the occurrence of arterial O2 desaturation during prolonged repeated-sprint ability (RSA) testing and its relationship to neuromuscular activity, as evidenced by changes in surface integrated electromyogram (iEMG). Fifteen, national-level soccer players performed twenty 5-s cycle sprints (25 s of rest). Mechanical work and surface iEMG of the vastus lateralis (VL) and rectus femoris (RF) of the dominant lower limb were recorded for every sprint. Arterial O2 saturation (SpO2) was estimated via pulse oximetry and rating of perceived exertion (RPE) recorded immediately after every sprint. Over the sprints, mechanical work (23.5%), iEMG (VL: 14.2%, RF: 16.4%) and SpO2 (3.5%) decreased, and RPE progressed to 19 (all P < .05). There was a strong linear relationship (R2 = .83, P < .05) between the changes in mechanical output and iEMG during the sprints. More importantly, changes in SpO2 accompanied changes in mechanical work, iEMG and RPE (R2 = .68, R2 = .64, R2 = .62, P < .05, respectively). The study suggests that in a homogenous group of athletes a progressive arterial O2 desaturation develops du...Continue Reading

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Citations

Jul 26, 2011·Sports Medicine·Olivier GirardDavid Bishop
Oct 18, 2011·International Journal of Sports Physiology and Performance·Kurt J Smith, François Billaut
Feb 1, 2013·Scandinavian Journal of Medicine & Science in Sports·F Billaut, M Buchheit
Apr 1, 2010·European Journal of Applied Physiology·Kurt J Smith, François Billaut
Aug 11, 2011·European Journal of Applied Physiology·François Billaut, David J Bishop
Aug 1, 2012·Sports Medicine·François BillautRobert J Aughey
Dec 7, 2013·British Journal of Sports Medicine·François Billaut, Robert J Aughey
Jun 12, 2013·International Journal of Sports Physiology and Performance·Laura A GarvicanRobert J Aughey
Dec 7, 2013·British Journal of Sports Medicine·Harvey M GalvinJoanna L Bowtell
Feb 11, 2014·International Journal of Sports Physiology and Performance·S R Goods PPeter Peeling
Jun 13, 2019·European Journal of Applied Physiology·Sarah J WillisGrégoire P Millet
Apr 20, 2014·Frontiers in Physiology·Ryan J ChristianOlivier Girard
May 4, 2018·The Journal of Sports Medicine and Physical Fitness·Patrick J GriffinStephen D Patterson
Apr 30, 2017·Sports Medicine·Olivier GirardGrégoire P Millet
Dec 7, 2013·British Journal of Sports Medicine·Robert J AugheyChristopher J Gore
Apr 25, 2021·European Journal of Applied Physiology·John Paul V AndersGlen O Johnson

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