IDENTIFYING OBJECTIVE DIFFERENCES BETWEEN VOLUNTARY AND INVOLUNTARY MOTION IN BIOMECHANICS
Abstract
Abstract. In 1947, N.A. Bernstein hypothesized “repetition without repetition”. Therefore, the problem of recording objective differences between voluntary and involuntary movements in biomechanics arises, which was the purpose of these studies. Materials and methods. A group of men (age <T> = 27 ± 1.8 YO) was examined according to tremor (involuntary movements) and tapping parameters (voluntary movements). Results. Pairwise Comparison Matrices were created for each subject. It was found that for tremor, the number of k samples pairs (which statistically coincided) did not exceed kTR ≤ 5% in these matrices, and for tapping kTp ≤ 12%. Conclusion. All the matrices for all the subjects showed the lack of statistical stability of the samples (for both tremor and tapping). This is the proof of N.A. Bernstein hypothesis and the Eskov – Zinchenko effect. However, the kTp number is always 2–3 times greater than the kTR number, which is an objective assessment of the differences between voluntary (tapping) and involuntary movement (tremor).
References
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