Late Breaking Research Poster 1828759| Volume 103, ISSUE 3, e31-e32, March 2022

Comparative Effectiveness of Robot-interactive Gait Training With and Without Ankle Robotic Control in Patients with Brain Damage

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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).


      Experimental research design.


      Experimental lab-base setting.


      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).


      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).


      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.


      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.


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