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Related Experiment Video

Updated: Mar 10, 2026

Evaluating the Function of the Foot Core System in the Elderly

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Exoskeleton plantarflexion assistance for elderly.

S Galle¹, W Derave¹, F Bossuyt¹

¹Department of Movement and Sport Sciences, Ghent University, Watersportlaan 2, B-9000 Ghent, Belgium.

|December 5, 2016

Summary

This summary is machine-generated.

This study found that exoskeletons assisting plantarflexion reduced walking energy cost by 12% in elderly individuals. This technology shows promise for improving mobility and physical activity in older adults.

Keywords:

Elderly Exoskeleton Metabolic cost Plantarflexion assistance Walking

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Area of Science:

Biomedical Engineering
Gerontology
Rehabilitation Technology

Background:

Aging is associated with decreased physical function and increased metabolic cost during walking.
Exoskeletons offer a potential solution to restore walking capacity by reducing metabolic energy expenditure.

Purpose of the Study:

To investigate the impact of a plantarflexion-assist exoskeleton on the metabolic energy cost of walking in healthy, active elderly individuals.
To assess the feasibility and effectiveness of current exoskeleton technology for this demographic.

Main Methods:

Seven elderly participants (mean age 69.3 years) walked on a treadmill at 1.11 m/s with normal shoes, the exoskeleton powered off, and the exoskeleton powered on (with assistance).
Metabolic cost was measured after habituation periods to ensure reliable data collection.

Main Results:

Exoskeleton assistance led to a 12% reduction in metabolic cost compared to walking with the exoskeleton powered off.
Participants perceived less muscle fatigue when walking with the powered exoskeleton.
A non-significant 4% reduction in metabolic cost was observed compared to normal walking, potentially due to the 'powered-off' exoskeleton penalty.

Conclusions:

Exoskeleton assistance can significantly reduce the metabolic cost of walking in elderly individuals.
Further research is needed to optimize exoskeleton assistance for specific populations and integrate them into rehabilitation and daily life.
Optimized exoskeletons could enhance mobility, increase physical activity, and improve health outcomes in the elderly.