Assessment of the effects of therapy with the use of the Fourier M2 neurological smart robot in post-stroke patients with hemiplegia

Igor Świerkowski, Marcin Krajczy, Ewa Jach, Piotr Kęsicki, Katarzyna Bogacz, Jacek Łuniewski, Jan Szczegielniak

I. Świerkowski, M. Krajczy, E. Jach, P. Kęsicki, K. Bogacz, J. Łuniewski, J. Szczegielniak – Assessment of the effects of therapy with the use of the Fourier M2 neurological smart robot in post-stroke patients with hemiplegia. Fizjoterapia Polska 2021; 21(4); 210-220

Abstract
Objective. The objective of the study is to assess the effect of upper limb therapy with the use of the Fourier M2 smart robot in post-stroke patients with right and left hemiplegia. Material and methods. The study included 13 post-stroke patients with hemiplegia. The study group consisted of 11 men and 2 women. Eight patients experienced a left-sided stroke and five patients experienced a right-sided stroke. The patients were assessed using the Fourier M2 robot. Inclusion criteria for the study were the occurrence of a stroke, hemiplegia, dysfunction of the upper limb, and restricted mobility. The patients underwent a 10-day therapy with the use of the Fourier M2 smart robot, which is used for diagnostics, planning and conducting therapy. Statistical calculations were performed using the Statscloud application. Results: On the first day, the caloric values were lower (Mdn = 1.60) than on the last day (Mdn = 3.60), which proves the effects of using a smart robot in the neurorehabilitation of post-stroke patients. The Wilcoxon test shows a statistically significant difference: z = −3.18; p = 0.003, r = −0.62. On the first day, the result was lower (Mdn = 1,231.00) compared to the last day (Mdn = 1,591.00), which proves the effects of using a smart robot in the neurorehabilitation of post-stroke patients. The Wilcoxon test shows a statistically significant difference: z = −2.48; p = 0.018, r = −0.49. On the last day, the score values are higher (M = 196.85, SD = 93.14) than on the first day (M = 137.46, SD = 99.96), which proves the effects of using a smart robot in the neurorehabilitation of post-stroke patients. The T-test shows that the difference was statistically significant: t(12) = −3.22; p = 0.007, Cohen dav = 0.62, observed force = 0.32. With a random pair of values, there is a 73.08% chance that the last day’s value would be higher than the first day’s value. On the first day, the distance values were lower (Mdn = 23.00) than on the last day (Mdn = 52.80), which proves the effects of using a smart robot in the neurorehabilitation of post-stroke patients. The Wilcoxon test shows that the difference was statistically significant: z = −3.11; p = 0.003, r = −0.61. On the first day, the average speed values were lower (Mdn = 4.50) than on the last day (Mdn = 4.60), which proves the effects of using a smart robot in the neurorehabilitation of post-stroke patients. The Wilcoxon test shows that the difference is statistically significant: z = −2.76; p = 0.009, r = −0.54. On the first day, the proportion of active movement was higher (M = 27.25, SD = 21.72) than on the last day (M = 25.54, SD = 24.73), which does not prove the effects of using a smart robot in neurorehabilitation stroke patients. The T-test shows that the difference was not statistically significant: t(12) = 0.31, p = 0.758, Cohen dav = 0.07, observed force = 0.04. In the case of a pair of randomly selected values, there is a 52.93% chance that the values on the first day would be higher than on the last day.
Conclusions. 1. The use of the Fourier M2 smart robot does not have a positive effect on increasing the proportion of active movement in post-stroke patients with hemiplegia. 2. The use of the Fourier M2 smart robot has a positive effect on the improvement of the average speed of movement in post-patients with hemiplegia.
3. The use of the Fourier M2 smart robot has a positive effect on increasing the functionality of the upper limb in post-stroke patients with hemiplegia.
Key words:
stroke, neurology, robot, upper limb, hemiplegia
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