PMID: 8941551Nov 1, 1996Paper

Changes in maximum oxygen uptake during prolonged training, overtraining, and detraining in horses

Journal of Applied Physiology
C M TylerR J Rose

Abstract

Thirteen standardbred horses were trained as follows: phase 1 (endurance training, 7 wk), phase 2 (high-intensity training, 9 wk), phase 3 (overload training, 18 wk), and phase 4 (detraining, 12 wk). In phase 3, the horses were divided into two groups: overload training (OLT) and control (C). The OLT group exercised at greater intensities, frequencies, and durations than group C. Overtraining occurred after 31 wk of training and was defined as a significant decrease in treadmill run time in response to a standardized exercise test. In the OLT group, there was a significant decrease in body weight (P < 0.05). From pretraining values of 117 +/- 2 (SE) ml.kg-1.min-1, maximal O2 uptake (VO2max) increased by 15% at the end of phase 1, and when signs of overtraining were first seen in the OLT group, VO2max was 29% higher (151 +/- 2 ml.kg-1.min-1 in both C and OLT groups) than pretraining values. There was no significant reduction in VO2max until after 6 wk detraining when VO2max was 137 +/- 2 ml.kg-1.min-1. By 12 wk detraining, mean VO2max was 134 +/- 2 ml.kg-1.min-1, still 15% above pretraining values. When overtraining developed, VO2max was not different between C and OLT groups, but maximal values for CO2 production (147 vs. 159 m...Continue Reading

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Citations

Dec 29, 2000·American Journal of Veterinary Research·N G KrizR J Rose
Oct 31, 2002·Equine Veterinary Journal. Supplement·J L TrilkS J Wickler
Apr 4, 2007·Equine Veterinary Journal. Supplement·S KinnunenM Atalay
Oct 4, 2008·Journal of Applied Physiology·Inge D WijnbergJohannes H van der Kolk
Jun 6, 2009·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·E de Graaf-RoelfsemaJ H van der Kolk
Feb 5, 2000·Equine Veterinary Journal. Supplement·L L Couëtil, D B Denicola
Oct 31, 2002·Equine Veterinary Journal. Supplement·C M McGowanR J Rose
Oct 31, 2002·Equine Veterinary Journal. Supplement·M P GerardR J Rose
Jan 31, 2002·Equine Veterinary Journal·K W HinchcliffL E Taylor
Oct 31, 2002·Equine Veterinary Journal. Supplement·H OhmuraJ H Jones
Aug 27, 2014·Journal of Animal Physiology and Animal Nutrition·J FortierG Deley
Feb 1, 2017·American Journal of Veterinary Research·Kazutaka MukaiJames H Jones
Jul 16, 2002·Equine Veterinary Journal·M J HamlinW G Hopkins
Mar 22, 2008·Equine Veterinary Journal·J L L RiveroM M Sloet van Oldruitenborgh-Oosterbaan
Aug 29, 2012·American Journal of Veterinary Research·Ellen de Graaf-RoelfsemaJohannes H van der Kolk
Oct 31, 2002·Equine Veterinary Journal. Supplement·S J WicklerR McGuire
Feb 5, 2000·Equine Veterinary Journal. Supplement·C M Tyler-McGowanR J Rose
Oct 31, 2002·Equine Veterinary Journal. Supplement·C F KearnsW F Brechue
Apr 4, 2021·Animals : an Open Access Journal From MDPI·Csaba SzabóAnikó Vincze
May 12, 2004·Respiratory Physiology & Neurobiology·Ewald R WeibelHans Hoppeler
Jul 1, 2005·Meat Science·A R Pösö, E Puolanne

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