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

Bicycle drive system dynamics: theory and experimental validation.

B J Fregly1, F E Zajac, C A Dairaghi

  • 1Department of Aerospace Engineering, Mechanics & Engineering Science, University of Florida, Gainesville 32611, USA.

Journal of Biomechanical Engineering
|October 19, 2000
PubMed
Summary
This summary is machine-generated.

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

Synergy Feedback Control Predicts Walking Across Multiple Cycles.

bioRxiv : the preprint server for biology·2026
Same author

The Neuromusculoskeletal Modeling Pipeline: MATLAB-based Model Personalization and Treatment Optimization Functionality for OpenSim.

bioRxiv : the preprint server for biology·2024
Same author

The effect of plate design, bridging span, and fracture healing on the performance of high tibial osteotomy plates: An experimental and finite element study.

Bone & joint research·2019
Same author

Parallel global optimization with the particle swarm algorithm.

International journal for numerical methods in engineering·2007
Same author

Effect of equinus foot placement and intrinsic muscle response on knee extension during stance.

Gait & posture·2005
Same author

Muscle contributions to support during gait in an individual with post-stroke hemiparesis.

Journal of biomechanics·2005

Understanding bicycle pedaling dynamics is crucial. A compliant model accurately emulates road riding inertia, revealing phase shifts in crank angle variations important for equipment design and motor control studies.

Area of Science:

  • Biomechanics
  • Motor Control
  • Ergonomics

Background:

  • Bicycle pedaling research often overlooks drive system dynamics.
  • Existing models (inertial/frictional) may not fully capture real-world riding conditions.

Purpose of the Study:

  • Identify limitations of the common inertial/frictional model.
  • Investigate the benefits of an inertial/frictional/compliant model.
  • Develop a method to emulate road riding dynamics in laboratory ergometers.

Main Methods:

  • Compared inertial/frictional and inertial/frictional/compliant models.
  • Configured a laboratory ergometer to emulate road riding.
  • Collected experimental data from the emulator and a standard ergometer.

Related Experiment Videos

Main Results:

  • The inertial/frictional model suffices for general road riding mechanics and pedaling coordination.
  • The compliant model is necessary to replicate phase shifts in crank angle variations during high-inertia emulation.
  • Experimental data validated the models' performance.

Conclusions:

  • A compliant model is essential for accurately emulating high-inertia road riding dynamics.
  • This finding impacts equipment design and motor control studies focusing on kinematic variations.
  • Ergometer configuration can be optimized for specific research needs.