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

Asymmetry in bicycle ergometer pedalling

D J Daly, P R Cavanagh

    Medicine and Science in Sports
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    This study investigated bilateral symmetry in bicycle ergometer work output, finding speed changes affected asymmetry in kicking-dominant individuals but not strength-dominant ones. Reliability of asymmetry measures varied, impacting data interpretation.

    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

    Intravenous tranexamic acid and lower limb arthroplasty-a randomised controlled feasibility study.

    Anaesthesia and intensive care·2018
    Same author

    Virtually optimized insoles for offloading the diabetic foot: A randomized crossover study.

    Journal of biomechanics·2017
    Same author

    IWGDF guidance on footwear and offloading interventions to prevent and heal foot ulcers in patients with diabetes.

    Diabetes/metabolism research and reviews·2016
    Same author

    Footwear and offloading interventions to prevent and heal foot ulcers and reduce plantar pressure in patients with diabetes: a systematic review.

    Diabetes/metabolism research and reviews·2015
    Same author

    Relationship between foot placement and mediolateral ground reaction forces during running.

    Clinical biomechanics (Bristol, Avon)·2013
    Same author

    Dissemination of central nervous system tissue from the brain and spinal cord of cattle after captive bolt stunning and carcass splitting.

    Meat science·2011
    Same journal

    Effects of preexercise feedings on endurance performance.

    Medicine and science in sports·1979
    Same journal

    The effects of training: reinfarction and death--an interim report.

    Medicine and science in sports·1979
    Same journal

    Factors related to dropout of post myocardial infarction patients from exercise programs.

    Medicine and science in sports·1979
    Same journal

    Compliance of post myocardial infarction patients to exercise programs.

    Medicine and science in sports·1979
    Same journal

    Quality control of exercise test measurements.

    Medicine and science in sports·1979
    Same journal

    Exercise responses in post myocardial infarction patients.

    Medicine and science in sports·1979
    See all related articles

    Area of Science:

    • Sports Science
    • Biomechanics
    • Human Movement Analysis

    Background:

    • Bicycle ergometers are common tools for assessing exercise performance.
    • Understanding factors influencing bilateral symmetry in work output is crucial for accurate performance evaluation.
    • Previous research has not fully explored the impact of ergometer settings on leg symmetry.

    Purpose of the Study:

    • To examine how changes in speed and resistance affect the bilateral symmetry of work output on a bicycle ergometer.
    • To assess the reliability of asymmetry measurements during cycle ergometer exercise.
    • To determine if kicking or strength dominance influences the observed asymmetries.

    Main Methods:

    • Twenty male subjects performed 30-second trials on a Monarch bicycle ergometer.

    Related Experiment Videos

  • Ergometer cranks were instrumented with strain gauges to measure work output.
  • Data were analyzed using a computer program, with asymmetry indices calculated based on kicking and strength dominance.

    • Main Results:

    • Asymmetry indices ranged from 66-178 (kicking dominance) and 56-135 (strength dominance).
    • Day-to-day reliability of the asymmetry index was low (0.47), while within-day reliability was higher (0.79-0.87).
    • Speed changes significantly affected asymmetry in kicking-dominant subjects, but no significant effects of speed or resistance were found for strength-dominant subjects.

    Conclusions:

    • Speed variations can influence lower extremity work symmetry, particularly in kicking-dominant individuals.
    • The reliability of asymmetry measurements needs careful consideration in experimental design.
    • Findings have implications for research using cycle ergometers and for competitive cyclists aiming to optimize performance.