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Related Experiment Video

Updated: May 7, 2026

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

Published on: January 15, 2016

Asymmetrical loading affects intersegmental dynamics during the swing phase of walking.

Jeremy D Smith¹, Todd D Royer, Philip E Martin

¹School of Sport & Exercise Science, University of Northern Colorado, Greeley, CO 80639, USA.

Human Movement Science

|September 24, 2013

Summary

Adding weight to one leg during walking increases joint moments and alters how limb segments interact. This affects muscular effort and the dynamics of leg swing, particularly with asymmetrical loading.

Keywords:

2221 2330 4010 Adaptation Asymmetry Inertial manipulation Inverse dynamics Relative contribution

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Asymmetric Walkway: A Novel Behavioral Assay for Studying Asymmetric Locomotion

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Published on: January 15, 2016

Using a Split-belt Treadmill to Evaluate Generalization of Human Locomotor Adaptation

Using a Split-belt Treadmill to Evaluate Generalization of Human Locomotor Adaptation

Published on: August 23, 2017

Area of Science:

Biomechanics
Human Locomotion
Kinetics

Background:

Traditional locomotion analysis often uses temporal, kinematic, and inverse dynamics.
Intersegmental dynamics offers deeper insights into linked-segment motion mechanisms.

Purpose of the Study:

To investigate alterations in intersegmental dynamics during the swing phase of walking.
To assess the effects of asymmetrical lower extremity loading on walking dynamics.

Main Methods:

Participants walked overground at a consistent speed (1.57 m/s).
External loads (0, 0.5, 1.0, 2.0 kg) were attached to one leg.
Net, interaction, gravitational, and muscle moments were calculated for lower extremity joints.

Main Results:

Joint moments in the loaded leg increased with added weight; the unloaded leg was unaffected.
Relative contributions of interaction moments (knee, hip) and gravitational moments (ankle) increased with load.
Relative contributions of muscle moments decreased across all joints (ankle, knee, hip) with increased loading.

Conclusions:

Altered limb inertia from asymmetrical loading impacts muscular effort during leg swing.
Changes in limb inertia modify the interaction dynamics between lower extremity segments during walking.