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Updated: Nov 28, 2025
Author Spotlight: Enhancing Upper Limb Rehabilitation in Stroke Patients Through Advanced Robotic and Neuromodulation Technologies
Published on: October 11, 2024
Optimal Multifield Functional Electrical Stimulation Parameters for the "Turn on the Light" Task and Related Upper
Andreia S P Sousa1, Inês Albuquerque Mesquita2, Cláudia Isabel Costa da Silva1
1Center for Rehabilitation Research - Human Movement System (Re)habilitation Area, Department of Physiotherapy, School of Health, Polytechnic of Porto, Porto, Portugal.
Objective:
To characterize the optimal functional electrical stimulation (FES) parameters that assist the turn on the light task (TOTL) on poststroke participants and to analyze the related upper limb (UL) kinematics repeatability.
Design:
Cross-sectional study.
Setting:
Human movement research center.
Participants:
Poststroke individuals (N=11) with history of a single unilateral stroke that resulted in a motor control dysfunction of the contralesional UL.
Interventions:
FES based on surface multifield technology applied to the contralesional wrist and finger extensors during the TOTL.
Main Outcome Measures:
FES outcome metrics (virtual electrodes, stimulation duration, intensity) and kinematic metrics (end-point kinematics [absolute and relative duration, mean and peak velocities, relative instant of peak velocity, index of curvature, number of movement units] and joint kinematics [shoulder, elbow, wrist end position and range of movement]). Outcome measures were assessed 2 times with a 72-hour maximum time interval.
Conclusion:
It was possible to establish reliable FES parameters that assisted the TOTL on poststroke participants. These stimulation parameters led to high to very high repeatability in terms of UL kinematics for most of the cases.
