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

Is eccentric exercise-induced torque decrease contraction type dependent?

Anne Michaut1, Michel Pousson, Nicolas Babault

  • 1Laboratoire de Biomécanique et de Physiologie, Institut National des Sports et de L'Education Physique (I.N.S.E.P.), Paris, France. anne.michaut@insep.fr

Medicine and Science in Sports and Exercise
|June 6, 2002
PubMed
Summary

Acute eccentric exercise significantly reduces muscle torque across all contraction types, indicating that the decrease is not dependent on the specific type of muscle action. This finding highlights both central and peripheral fatigue mechanisms after strenuous exercise.

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

Technique-specific reduction of sciatic nerve stiffness through neurodynamic stretches at submaximal and maximal intensity in asymptomatic individuals.

European journal of applied physiology·2026
Same author

Muscle fatigue in patients with severe long COVID: A 2-year follow-up study.

PM & R : the journal of injury, function, and rehabilitation·2026
Same author

Neural and Mechanical Adaptations During Static Stretching With Different Amplitudes.

The European journal of neuroscience·2026
Same author

Discovery of a Potent, Selective, and In Vivo Efficacious Covalent Inhibitor for Lysine Methyltransferase SETD8.

Journal of medicinal chemistry·2026
Same author

Influence of the Knee and Hip Joint Angles on the Knee Extensor Muscles and Tendon Shear Wave Velocity in Men and Prepubertal Boys.

Translational sports medicine·2026
Same author

Part I: Effects of Asynchronous vs Conventional Synchronous Neuromuscular Electrical Stimulation on Maximal Evoked Torque, Fatigability, Discomfort, and Strength Gains: A Systematic Review With Meta-analysis and Meta-regression.

Archives of physical medicine and rehabilitation·2025

Area of Science:

  • Exercise Physiology
  • Muscle Physiology
  • Biomechanics

Background:

  • Eccentric exercise, characterized by muscle lengthening under load, is known to induce muscle damage and fatigue.
  • Understanding the factors contributing to torque reduction after eccentric exercise is crucial for optimizing training and rehabilitation protocols.

Purpose of the Study:

  • To investigate whether the decrease in maximal voluntary torque following acute eccentric exercise is dependent on the type of muscular contraction (eccentric, isometric, concentric).

Main Methods:

  • Ten active males completed maximal eccentric muscle actions of elbow flexors.
  • Maximal voluntary torque (eccentric, isometric, concentric) was measured before and after exercise.
  • Central and peripheral fatigue markers, including activation level, myoelectrical activity, M-wave, and peak twitch torque, were recorded.

Related Experiment Videos

Main Results:

  • A significant reduction in maximal voluntary torque was observed across all contraction types after eccentric exercise.
  • Torque decrease was associated with reduced M-wave amplitude and peak twitch torque, suggesting peripheral factors like impaired excitation-contraction coupling.
  • Reduced activation levels indicated central fatigue, supported by decreases in RMS, except during very fast concentric contractions.

Conclusions:

  • Acute eccentric exercise leads to a significant reduction in maximal voluntary torque, affecting eccentric, isometric, and concentric actions.
  • This torque decrease is attributable to both peripheral (e.g., excitation-contraction coupling impairment) and central (e.g., reduced neural activation) factors.
  • The study concludes that eccentric exercise-induced torque reduction is not dependent on the type of muscular contraction.