ArticleRoyal Society open science2024
Exploring the control of whole-body angular momentum in young and elderly based on the virtual pivot point concept.
Article in Royal Society open science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Age-Related Changes in Virtual Pivot Point Position and Variability During Pediatric Gait Development.Children (Basel, Switzerland) · 2026Article
- Concerted control framework for human-exoskeleton co-adaptation using ground reaction forces.Wearable technologies · 2026Article
- The Effects of Imagination on Performance in Ballet: A Case Study.Sports (Basel, Switzerland) · 2025Article
- Exploring the control of whole-body angular momentum in young and elderly based on the virtual pivot point concept.Royal Society open science · 2024Article
- Balance recovery schemes following mediolateral gyroscopic moment perturbations during walking.PloS one · 2024Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
While walking, ground reaction forces point from the centre of pressure to the neighbourhood of a focal point, namely the virtual pivot point (VPP), that adjusts angular momentum around the centre of mass (CoM). This study explores how age and speed affect the VPP quality and position during walking. Analysing an experimental dataset reveals high quality of the VPP in the sagittal plane for both young and elderly groups, regardless of speed. However, in the frontal plane, the VPP quality decreases with increasing speed, with elderly participants exhibiting significantly lower quality. Although not a direct measure of balance, VPP quality reflects changes in whole-body angular momentum owing to ageing and speed. Additionally, a template model is used to reproduce the VPP quality and position trends observed in the experiment. Simulation results highlight the sensitivity of VPP quality to leg force feedback and show that changing VPP height has minimal effect on gait speed. Furthermore, energy redistribution occurs through increased hip extension and leg damping, associated with a greater horizontal VPP distance from the CoM, observed in elderly walking. This study shows promise for analysing gait based on VPP, potentially aiding clinical interventions and supporting locomotion in the elderly.
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Registered trials
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