ArticleScientific reports2020
Altered active control of step width in response to mediolateral leg perturbations while walking.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Effect of mediolateral leg perturbations on walking balance in people with chronic stroke: A randomized controlled trial.PloS one · 2024Trial
- Adaptive mediolateral control during split-belt walking: Energetics of interlimb coordination and enhanced savings following acute intermittent hypoxia.Experimental physiology · 2026Article
- Somatosensory augmentation has sustained effects on mediolateral foot placement modulation while walking in people with chronic stroke.Gait & posture · 2026Article
- Behavioural risk models explain locomotor and balance changes when walking at virtual heights.Journal of the Royal Society, Interface · 2025Article
- Relationships between mediolateral step modulation and clinical balance measures in people with chronic stroke.Gait & posture · 2024Article
- Mediolateral foot placement control can be trained: Older adults learn to walk more stable, when ankle moments are constrained.PloS one · 2023Article
- Improvement in gait stability in older adults after ten sessions of standing balance training.PloS one · 2022Article
- Small directional treadmill perturbations induce differential gait stability adaptation.Journal of neurophysiology · 2022Article
- Effects of Targeted Assistance and Perturbations on the Relationship Between Pelvis Motion and Step Width in People With Chronic Stroke.IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2021Article
- Post-Stroke Adaptation of Lateral Foot Placement Coordination in Variable Environments.IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2021Article
- Active foot placement control ensures stable gait: Effect of constraints on foot placement and ankle moments.PloS one · 2020Observational
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During human walking, step width is predicted by mediolateral motion of the pelvis, a relationship that can be attributed to a combination of passive body dynamics and active sensorimotor control. The purpose of the present study was to investigate whether humans modulate the active control of step width in response to a novel mechanical environment. Participants were repeatedly exposed to a force-field that either assisted or perturbed the normal relationship between pelvis motion and step width, separated by washout periods to detect the presence of potential after-effects. As intended, force-field assistance directly strengthened the relationship between pelvis displacement and step width. This relationship remained strengthened with repeated exposure to assistance, and returned to baseline afterward, providing minimal evidence for assistance-driven changes in active control. In contrast, force-field perturbations directly weakened the relationship between pelvis motion and step width. Repeated exposure to perturbations diminished this negative direct effect, and produced larger positive after-effects once the perturbations ceased. These results demonstrate that targeted perturbations can cause humans to adjust the active control that contributes to fluctuations in step width.
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