Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Changes in physiological parameters in overtrained Standardbred racehorses.

M J Hamlin1, J P Shearman, W G Hopkins

  • 1Department of Physiology, University of Otago, School of Medical Sciences, Dunedin, New Zealand.

Equine Veterinary Journal
|July 16, 2002
PubMed
Summary

Overtraining in racehorses significantly impacts performance, indicated by slower times and decreased peak velocity. Key physiological markers like bodyweight, V200, and blood lactate can help detect this condition in equine athletes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Editorial: Performance enhancement in rugby.

Frontiers in sports and active living·2023
Same author

Validity of an ultra-wideband local positioning system to measure locomotion in indoor sports.

Journal of sports sciences·2017
Same author

Long-term effectiveness of the New Zealand Green Prescription primary health care exercise initiative.

Public health·2016
Same author

The effect of short-term intermittent hypoxic exposure on heart rate variability in a sedentary population.

Physiology international·2016
Same author

Popularity of hypoxic training methods for endurance-based professional and amateur athletes.

Physiology & behavior·2015
Same author

Contribution of Vertical Strength and Power to Sprint Performance in Young Male Athletes.

International journal of sports medicine·2014

Area of Science:

  • Equine Sports Medicine
  • Exercise Physiology

Background:

  • Overtraining poses significant risks to both human and equine athletes.
  • Physiological changes associated with overtraining require careful monitoring.

Purpose of the Study:

  • To investigate the physiological effects of acute training overload in Standardbred racehorses.
  • To identify reliable indicators of overtraining in equine athletes.

Main Methods:

  • A 34-week longitudinal study involving 10 Standardbred racehorses.
  • Inclusion of an 8-week period of increased workload followed by 2 weeks of recovery.
  • Regular performance tests (2400 m time trial, progressive submaximal exercise test) and physiological measurements.

Main Results:

Related Experiment Videos

  • Overtraining was confirmed by a 4.0% increase in time trial times and a 6.9% decrease in peak velocity.
  • Acute overtraining correlated with increased post-exercise blood lactate concentrations.
  • Significant decreases were observed in bodyweight, plasma cortisol, and packed cell volume post-time trial, along with reduced velocity at heart rate 200/min (V200).

    • Conclusions:

    • Bodyweight, V200, post-exercise blood lactate, and plasma cortisol are potential indicators for detecting acute overtraining in equine athletes.
    • Certain parameters, including maximal heart rate and markers of skeletal damage, did not show clear changes with overtraining.