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Research Objectives
To compare the effect of robot-interactive gait training (RIGT) with and without ankle
control actuator on tibialis anterior (TA) and gastrocnemius (GCM) muscle activity
and joint kinematics in participants with stroke or cerebral palsy (CP).
Design
Experimental research design.
Setting
Experimental lab-base setting.
Participants
The sample of 10 participants (4 healthy adults, 3 patients with CP, and 3 with left
hemiparetic stroke patients) was recruited for this study. The present experimental
protocol was approved by the Research Ethics Committee of the Yonsei University Mirae
Campus (1041849-201902-BM-031-03).
Interventions
All participants underwent standardized surface electromyography (EMG) neurophysiological
and kinematics biomechanical tests under the RIGT with and without ankle control actuator
conditions. Outcome measures included the EMG amplitudes of the tibialis anterior
and gastrocnemius muscle activity, and ankle movement angles recorded with a two-axis
digital inclinometer.
Main Outcome Measures
Kinematic ankle joint angular change data, electromyography (EMG) of TA and GCM muscle
activity data (Unit: %MVIC).
Results
Descriptive statistical analysis demonstrated that RIGT with ankle control actuator
showed superior effects on EMG (30%) and kinematics angles (25%) than RIGT without
ankle control actuator.
Conclusions
Our results provided novel, promising clinical evidence that RIGT with ankle control
actuator can more effectively improve the neurophysiological EMG data and ankle dorsiflexion
and plantarflexion movements than RIGT without ankle control actuator in participants
with stroke and CP.
Author(s) Disclosures
There are no conflicts to declare.
Keywords
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© 2022 Published by Elsevier Inc.
