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Personalized protocol and scoring scale for functional electrical stimulation of the hand: A pilot feasibility study
Jessica K Camacho-Zavala1,1, Ana L Perez-Medina1,1, Jorge A Mercado-Gutierrez2
1Facultad de Ingeniería, Universidad Nacional Autónoma de México, Cd. de México, México.
Summary
A new personalized Functional Electrical Stimulation (FES) protocol effectively generates functional hand movements for rehabilitation, outperforming standard methods in a pilot study. This approach shows promise for clinical translation in upper-limb interventions.
Area of Science:
- Neuroscience
- Rehabilitation Engineering
- Biomedical Engineering
Background:
- Current Functional Electrical Stimulation (FES) protocols for hand movement are often time-consuming and complex for clinical use.
- There is a need for personalized FES protocols that are comfortable, functional, and clinically feasible.
Purpose of the Study:
- To develop and evaluate a personalized FES protocol for hand opening, power grasp, and precision grip.
- To compare the personalized protocol against a non-personalized standard FES protocol in a pilot feasibility study.
Main Methods:
- Two FES protocols (personalized vs. non-personalized) were applied to twenty-three healthy participants.
- FES-induced hand movements were assessed using a novel scoring scale evaluating selectivity, functionality, and comfort.
Main Results:
- The personalized protocol (P1) achieved significantly higher FES-Handالشلل scores for all tested movements (hand opening, power grasp, precision grip).
- Electrode placement was faster with the non-personalized protocol (P2).
- Comfort levels were comparable between both protocols.
Conclusions:
- The personalized FES protocol demonstrated superior performance in generating functional hand movements compared to the non-personalized approach.
- This personalized protocol holds potential for clinical translation in upper-limb rehabilitation interventions and warrants further investigation.
