EFFECTS OF BRAIN COMPUTER INTERFACE BASED FUNCTIONAL ELECTRICAL STIMULATION ON STRENGTH, BALANCE AND GAIT APPLIED TO GLUTEUS MEDIUS IN HEMIPLEGIA

Kim D1, Gwon S1, Choi S1, Lee B1
1Sahmyook University, Physical Therapy, Seoul, Korea (South)

Background: This study was to evaluate the effect of Brain computer Interface(BCI) based functional electrical stimulation training on muscle strength, balance and gait function of patients with stroke applied to Gluteus medius.

Purpose: The aim of this study is confirming the effect of BCI functional electrical stimulation training. And, Suggest the New rehabilitation training program for stroke patients.

Methods: The participants were randomly divided into two group: a Brain Computer Interface based Functional Electronic Stimulation(BCI based FES) group(n=6) and a Functional Electronic Stimulation(FES) group(n=6). Both groups were provided conventional therapy for 2 session a day, 30 mintues, 5 per week, for 4 week and Functional Electrical stimulation Therapy for 2 session a day, 20minutes, 5 per week, for 4 weeks. BCI based FES group was additionally provided Brain Computer Interfaced based FES applied to Gluteus medius training 1 session a day, 20minutes, 3 per week, for 4 weeks.
The control group was additionally provided FES applied to Gluteus medius.
Before and after the training, the Manual Muscle Tester (MMT) was used to muscle strength evaluation, and the Four Square Step Test (FFST) was used to the dynamic balance evaluation, and the Gait Right equipment was used to the evaluation of the gait function.

Results: The Results of this study showed that the strength of stroke patients was significantly increased by BCI based FES training (P 0.05). FFST showed a significant decrease in time (P 0.05) and an improvement in dynamic balance. In the gait ability evaluation, gait velocity, cadence, step length, stride length, single limb support of affected side, double limb support of affected side results were significantly increased and the gait ability was improved.

Conclusion(s): In conclusion, the Brain Computer Interfaced based FES training improves muscle strength, balance, gait function.

Implications: These results suggest that the Brain Computer Interface based Functional Electrical Stimulation training should provide the correct guidelines to be applicable in clinical practice, and it is expected that this data will be useful as a clinical guideline for various methods of exercise combined with Brain Computer Interface based Functional Electrical Stimulation training.

Keywords: Brain Computer Interface, balance, gait function

Funding acknowledgements: have no funding acknowledgements

Topic: Neurology: stroke; Robotics & technology; Human movement analysis

Ethics approval required: Yes
Institution: Sahmyook University
Ethics committee: Institutional Review Board
Ethics number: SYUIRB2-1040781-AB-N-01-2017-019HR


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