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Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion
Published on: January 15, 2016
Strategies used for unconstrained direction change during walking
M J D Taylor1, S C Strike, P Dabnichki
1School of Human and Life Sciences, Roehampton University, Whitelands College, London, UK.
Perceptual and Motor Skills
|July 11, 2006
Summary
Human gait involves complex turning maneuvers. This study reveals two distinct strategies for 90-degree spin turns: the dynamic ipsilateral pivot and the fall-into-direction ipsilateral crossover, highlighting the complexity of turning in locomotion.
Area of Science:
- Biomechanics
- Human Locomotion
- Kinesiology
Background:
- Functional mobility relies on adapting straight-line walking patterns.
- Turning maneuvers are essential components of complex human movement.
- Understanding the mechanics of turning is crucial for gait analysis and rehabilitation.
Purpose of the Study:
- To investigate the three-dimensional kinematic and kinetic characteristics of a 90-degree spin turn.
- To identify and differentiate the underlying substrategies employed during complex turning.
- To compare the mechanical demands of different turning strategies.
Main Methods:
- Full 3D kinematic and kinetic analysis of the ipsilateral limb.
- Data collection during both straight gait and unconstrained 90-degree turns.
- Inclusion of 10 healthy university students as participants.
Main Results:
- Identification of two distinct turning substrategies: ipsilateral pivot and ipsilateral crossover.
- The ipsilateral pivot strategy was more dynamic, requiring additional ankle and hip power phases.
- The ipsilateral crossover strategy involved a controlled fall into the new direction.
Conclusions:
- Spin turns are more complex than previously understood.
- Distinct mechanical strategies are employed for efficient turning.
- Further research into turning mechanics can inform interventions for mobility impairments.
