Robot-Assisted Targeted Gait Training

Background: Millions of people are affected yearly by “runner’s knee” and osteoarthritis, which is thought to be related to impact force. Millions are also affected by chronic falling, who are usually both difficult to identify and train. While at first glance, these topics seem to be entirely disco...

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Main Authors: Vaughn Chambers, Madison Johnson, Panagiotis Artemiadis
Format: Article
Language:English
Published: Akademia Wychowania Fizycznego im. Bronisława Czecha w Krakowie 2023-10-01
Series:Journal of Kinesiology and Exercise Sciences
Subjects:
Online Access:http://jkes.eu/gicid/01.3001.0053.9679
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author Vaughn Chambers
Madison Johnson
Panagiotis Artemiadis
author_facet Vaughn Chambers
Madison Johnson
Panagiotis Artemiadis
author_sort Vaughn Chambers
collection DOAJ
description Background: Millions of people are affected yearly by “runner’s knee” and osteoarthritis, which is thought to be related to impact force. Millions are also affected by chronic falling, who are usually both difficult to identify and train. While at first glance, these topics seem to be entirely disconnected, there appears to be a need for a device that would address both issues. This paper proposes and investigates the use of the Variable Stiffness Treadmill (VST) as a targeted training device for the different populations described above. Materials and Methods: The VST is the authors’ unique robotic split-belt treadmill that can reduce the vertical ground stiffness of the left belt, while the right belt remains rigid. In this work, heart rate and energy expenditure are measured for healthy subjects in the challenging asymmetric environment created by the VST and compared to a traditional treadmill setting. Results: This study shows that this asymmetric environment results in an increase in heart rate and energy expenditure, an increase in activity in the muscles about the hip and knee, and a decrease in impact force at heel strike. Conclusions: Compliant environments, like those created on the VST, may be a beneficial tool as they can: reduce high-impact forces during running and walking, significantly engage the muscles surrounding the hip and knee allowing for targeted training and rehabilitation, and assist in identifying and training high fall-risk individuals.
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publishDate 2023-10-01
publisher Akademia Wychowania Fizycznego im. Bronisława Czecha w Krakowie
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spelling doaj-art-28e0310317bb4162a4af0cae6a249fa62025-08-20T04:02:06ZengAkademia Wychowania Fizycznego im. Bronisława Czecha w KrakowieJournal of Kinesiology and Exercise Sciences2956-45812023-10-0134105112210.5604/01.3001.0053.967901.3001.0053.9679Robot-Assisted Targeted Gait TrainingVaughn Chambers0Madison Johnson1Panagiotis Artemiadis2Mechanical Engineering Department at the University of Delaware, USAMechanical Engineering Department at the University of Delaware, USAMechanical Engineering Department at the University of Delaware, USABackground: Millions of people are affected yearly by “runner’s knee” and osteoarthritis, which is thought to be related to impact force. Millions are also affected by chronic falling, who are usually both difficult to identify and train. While at first glance, these topics seem to be entirely disconnected, there appears to be a need for a device that would address both issues. This paper proposes and investigates the use of the Variable Stiffness Treadmill (VST) as a targeted training device for the different populations described above. Materials and Methods: The VST is the authors’ unique robotic split-belt treadmill that can reduce the vertical ground stiffness of the left belt, while the right belt remains rigid. In this work, heart rate and energy expenditure are measured for healthy subjects in the challenging asymmetric environment created by the VST and compared to a traditional treadmill setting. Results: This study shows that this asymmetric environment results in an increase in heart rate and energy expenditure, an increase in activity in the muscles about the hip and knee, and a decrease in impact force at heel strike. Conclusions: Compliant environments, like those created on the VST, may be a beneficial tool as they can: reduce high-impact forces during running and walking, significantly engage the muscles surrounding the hip and knee allowing for targeted training and rehabilitation, and assist in identifying and training high fall-risk individuals.http://jkes.eu/gicid/01.3001.0053.9679human gaitroboticstrainingrehabilitationcompliantstiffness perturbations
spellingShingle Vaughn Chambers
Madison Johnson
Panagiotis Artemiadis
Robot-Assisted Targeted Gait Training
Journal of Kinesiology and Exercise Sciences
human gait
robotics
training
rehabilitation
compliant
stiffness perturbations
title Robot-Assisted Targeted Gait Training
title_full Robot-Assisted Targeted Gait Training
title_fullStr Robot-Assisted Targeted Gait Training
title_full_unstemmed Robot-Assisted Targeted Gait Training
title_short Robot-Assisted Targeted Gait Training
title_sort robot assisted targeted gait training
topic human gait
robotics
training
rehabilitation
compliant
stiffness perturbations
url http://jkes.eu/gicid/01.3001.0053.9679
work_keys_str_mv AT vaughnchambers robotassistedtargetedgaittraining
AT madisonjohnson robotassistedtargetedgaittraining
AT panagiotisartemiadis robotassistedtargetedgaittraining