Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training

Rehabilitation interventions involving forced perturbations of seated balance can improve a patient’s balancing ability with increased muscle activations. Investigating training parameters that affect the specific muscle activation is essential to providing patient-tailored training. Howe...

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Main Authors: Amre Eizad, Hosu Lee, Junyeong Lee, Won-Kyung Song, Jungwon Yoon
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
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Online Access:https://ieeexplore.ieee.org/document/10963680/
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author Amre Eizad
Hosu Lee
Junyeong Lee
Won-Kyung Song
Jungwon Yoon
author_facet Amre Eizad
Hosu Lee
Junyeong Lee
Won-Kyung Song
Jungwon Yoon
author_sort Amre Eizad
collection DOAJ
description Rehabilitation interventions involving forced perturbations of seated balance can improve a patient’s balancing ability with increased muscle activations. Investigating training parameters that affect the specific muscle activation is essential to providing patient-tailored training. However, there is limited information on the combined effects of different seated perturbation training parameters to provide target activation of lower limb muscles although various parameters can affect activating lower limb muscles. Accordingly, by using the trunk rehabilitation robot that can provide quantified perturbation, we investigated the effects of variations in perturbation speed (slow (SS) and fast (FS) speed), direction (mediolateral (ML) & anteroposterior (AP)), and leg support condition (seat-connected (SC) and ground-connected (GC) footrest) on the lower limb muscle activity as well as postural stability and trunk movement of 18 healthy young participants. The experimental results show that variation in training parameters affects balance, trunk movement, and muscle activity outcomes. From the experimental results, FS & GC with AP-directional perturbation can be the effective training protocol for Gastrocnemius (0.16 %PA, percentage of Peak Amplitude). In addition, considering balance instability results, FS & SC with AP-directional perturbation can be adopted as the effective training protocol to target the Vastus Lateralis (0.15 %PA), Semitendinosus (0.12 %PA), and Tibialis Anterior (0.16 %PA). Thus, modulation of footrest condition, perturbation speed and direction may be feasible for tuning perturbation exercises to achieve desired rehabilitation outcomes.
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spelling doaj-art-d93bf2c293964d0abd450df8f189edcb2025-08-20T01:50:29ZengIEEEIEEE Access2169-35362025-01-0113781507816010.1109/ACCESS.2025.355992010963680Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation TrainingAmre Eizad0Hosu Lee1https://orcid.org/0000-0002-8702-5993Junyeong Lee2https://orcid.org/0000-0001-7725-7339Won-Kyung Song3Jungwon Yoon4https://orcid.org/0000-0003-1350-5334Mine Safety Technology Research Centre, Resources Safety and Health Queensland (RSHQ SIMTARS), Brisbane, AustraliaDepartment of Control and Robot Engineering, School of Aerospace Engineering, Gyeongsang National University, Jinju, Republic of KoreaDepartment of AI Convergence, Gwangju Institute of Science and Technology, Gwangju, Republic of KoreaDepartment of Rehabilitative and Assistive Technology, National Rehabilitation Center, Seoul, Republic of KoreaDepartment of AI Convergence, Gwangju Institute of Science and Technology, Gwangju, Republic of KoreaRehabilitation interventions involving forced perturbations of seated balance can improve a patient’s balancing ability with increased muscle activations. Investigating training parameters that affect the specific muscle activation is essential to providing patient-tailored training. However, there is limited information on the combined effects of different seated perturbation training parameters to provide target activation of lower limb muscles although various parameters can affect activating lower limb muscles. Accordingly, by using the trunk rehabilitation robot that can provide quantified perturbation, we investigated the effects of variations in perturbation speed (slow (SS) and fast (FS) speed), direction (mediolateral (ML) & anteroposterior (AP)), and leg support condition (seat-connected (SC) and ground-connected (GC) footrest) on the lower limb muscle activity as well as postural stability and trunk movement of 18 healthy young participants. The experimental results show that variation in training parameters affects balance, trunk movement, and muscle activity outcomes. From the experimental results, FS & GC with AP-directional perturbation can be the effective training protocol for Gastrocnemius (0.16 %PA, percentage of Peak Amplitude). In addition, considering balance instability results, FS & SC with AP-directional perturbation can be adopted as the effective training protocol to target the Vastus Lateralis (0.15 %PA), Semitendinosus (0.12 %PA), and Tibialis Anterior (0.16 %PA). Thus, modulation of footrest condition, perturbation speed and direction may be feasible for tuning perturbation exercises to achieve desired rehabilitation outcomes.https://ieeexplore.ieee.org/document/10963680/Seated balancebalance rehabilitationcenter of pressurerehabilitation robotbalance perturbation
spellingShingle Amre Eizad
Hosu Lee
Junyeong Lee
Won-Kyung Song
Jungwon Yoon
Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
IEEE Access
Seated balance
balance rehabilitation
center of pressure
rehabilitation robot
balance perturbation
title Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
title_full Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
title_fullStr Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
title_full_unstemmed Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
title_short Recommendations for Target Muscle Activation Protocol During Trunk Rehabilitation Robot-Based Seated Perturbation Training
title_sort recommendations for target muscle activation protocol during trunk rehabilitation robot based seated perturbation training
topic Seated balance
balance rehabilitation
center of pressure
rehabilitation robot
balance perturbation
url https://ieeexplore.ieee.org/document/10963680/
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AT junyeonglee recommendationsfortargetmuscleactivationprotocolduringtrunkrehabilitationrobotbasedseatedperturbationtraining
AT wonkyungsong recommendationsfortargetmuscleactivationprotocolduringtrunkrehabilitationrobotbasedseatedperturbationtraining
AT jungwonyoon recommendationsfortargetmuscleactivationprotocolduringtrunkrehabilitationrobotbasedseatedperturbationtraining