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Related Concept Videos

Ankle Joint01:10

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Related Experiment Video

Updated: May 25, 2026

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds
05:52

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

Published on: August 25, 2020

Gait termination strategies differ between those with and without ankle instability.

Erik A Wikstrom1, Chris J Hass

  • 1Biodynamics Research Laboratory, Department of Kinesiology, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, United States. ewikstrom@uncc.edu

Clinical Biomechanics (Bristol, Avon)
|January 31, 2012
PubMed
Summary
This summary is machine-generated.

People with chronic ankle instability exhibit altered gait termination control compared to healthy individuals. Copers, however, demonstrate similar gait termination mechanics to controls, suggesting a protective mechanism against recurrent injury.

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Area of Science:

  • Biomechanics
  • Motor Control
  • Sports Medicine

Background:

  • Chronic ankle instability (CAI) frequently follows ankle sprains, impacting function.
  • Individuals who 'cope' effectively after injury often avoid recurrent issues.
  • Gait termination control differences between CAI, copers, and controls are not well understood.

Purpose of the Study:

  • To investigate biomechanical control differences during gait termination.
  • Compare planned and unplanned stopping in individuals with CAI, copers, and controls.

Main Methods:

  • Twenty participants in each group (CAI, copers, controls) performed planned and unplanned gait termination.
  • Braking forces and dynamic postural stability were quantified.
  • Data were analyzed for group comparisons.

Main Results:

  • The CAI group exhibited significantly higher braking forces than copers and controls.
  • Antero-posterior postural stability was reduced in the CAI group compared to others.
  • Copers' gait termination mechanics were comparable to controls.

Conclusions:

  • Copers' ability to terminate gait like controls may explain their resilience to recurrent injury.
  • Altered braking forces and stability in CAI highlight potential targets for rehabilitation.
  • Understanding these biomechanical differences is crucial for managing CAI.