ArticleJournal of neuroengineering and rehabilitation2019
Effects of extended powered knee prosthesis stance time via visual feedback on gait symmetry of individuals with unilateral amputation: a preliminary study.
Article in Journal of neuroengineering and rehabilitation, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 2 of them syntheses that pooled it.
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Who cites it
18 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Use of the margin of stability to quantify stability in pathologic gait - a qualitative systematic review.BMC musculoskeletal disorders · 2021Pooled it
- Biofeedback Systems for Gait Rehabilitation of Individuals with Lower-Limb Amputation: A Systematic Review.Sensors (Basel, Switzerland) · 2020Pooled it
- Tactile Biofeedback That Targets Stance Time Acutely Modulates Propulsion Mechanics in Healthy Gait.Research square · 2026Article
- The Effect of a Fully Immersive Virtual Reality Training Program on Walking Parameters in People With Unilateral Below-Knee Amputation: An Experimental and a Single-Subject Study.Health science reports · 2026Article
- Design and evaluation of a bone-anchored, neurally-controlled knee prosthesis.Journal of neuroengineering and rehabilitation · 2026Article
- The SoftFoot Pro: an anthropomorphic and adaptive soft articulated prosthetic foot.Nature communications · 2026Article
- Article
- The impact of walking on the perception of multichannel electrotactile stimulation in individuals with lower-limb amputation and able-bodied participants.Journal of neuroengineering and rehabilitation · 2023Article
- Changes in frontal plane kinematics over 12-months in individuals with the Percutaneous Osseointegrated Prosthesis (POP).PloS one · 2023Article
- Human-prosthesis cooperation: combining adaptive prosthesis control with visual feedback guided gait.Journal of neuroengineering and rehabilitation · 2022Article
- Visual guidance can help with the use of a robotic exoskeleton during human walking.Scientific reports · 2022Article
- Biomechanical Impacts of Toe Joint With Transfemoral Amputee Using a Powered Knee-Ankle Prosthesis.Frontiers in neurorobotics · 2022Article
- Taking Both Sides: Seeking Symbiosis Between Intelligent Prostheses and Human Motor Control during Locomotion.Current opinion in biomedical engineering · 2021Article
- Human-prosthesis coordination: A preliminary study exploring coordination with a powered ankle-foot prosthesis.Clinical biomechanics (Bristol, Avon) · 2020Article
- Perceiving amputee gait from biological motion: kinematics cues and effect of experience level.Scientific reports · 2020Article
- Wearer-Prosthesis Interaction for Symmetrical Gait: A Study Enabled by Reinforcement Learning Prosthesis Control.IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2020Article
- Effects of extended stance time on a powered knee prosthesis and gait symmetry on the lateral control of balance during walking in individuals with unilateral amputation.Journal of neuroengineering and rehabilitation · 2019Article
- Evaluation on Human Perception of Various Vibrotactile Encoding Methods Through a High Density Haptic Feedback Interface.IEEE transactions on hapticsArticle
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
backgroundEstablishing gait symmetry is a major aim of amputee rehabilitation and may be more attainable with powered prostheses. Though, based on previous work, we postulate that users transfer a previously-learned motor pattern across devices, limiting the functionality of more advanced prostheses. The objective of this study was to preliminarily investigate the effect of increased stance time via visual feedback on amputees' gait symmetry using powered and passive knee prostheses.
methodsFive individuals with transfemoral amputation or knee disarticulation walked at their self-selected speed on a treadmill. Visual feedback was used to promote an increase in the amputated-limb stance time. Individuals were fit with a commercially-available powered prosthesis by a certified prosthetist and practiced walking during a prior visit. The same protocol was completed with a passive knee and powered knee prosthesis on separate days. We used repeated-measures, two-way ANOVA (alpha = 0.05) to test for significant effects of the feedback and device factors. Our main outcome measures were stance time asymmetry, peak anterior-posterior ground reaction forces, and peak anterior propulsion asymmetry.
resultsIncreasing the amputated-limb stance time via visual feedback significantly improved the stance time symmetry (p = 0.012) and peak propulsion symmetry (p = 0.036) of individuals walking with both prostheses. With the powered knee prosthesis, the highest feedback target elicited 36% improvement in stance time symmetry, 22% increase in prosthesis-side peak propulsion, and 47% improvement in peak propulsion symmetry compared to a no feedback condition. The changes with feedback were not different with the passive prosthesis, and the main effects of device/ prosthesis type were not statistically different. However, subject by device interactions were significant, indicating individuals did not respond consistently with each device (e.g. prosthesis-side propulsion remained comparable to or was greater with the powered versus passive prosthesis for different subjects). Overall, prosthesis-side peak propulsion averaged across conditions was 31% greater with the powered prosthesis and peak propulsion asymmetry improved by 48% with the powered prosthesis.
conclusionsIncreasing prosthesis-side stance time via visual feedback favorably improved individuals' temporal and propulsive symmetry. The powered prosthesis commonly enabled greater propulsion, but individuals adapted to each device with varying behavior, requiring further investigation.
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