かみしめによる咀嚼筋疲労とその回復に関する筋電図学的研究 : 第1報各種周波数分法の比較

概要

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The aim of this paper was to determine the best parameter for describing th emuscle fatiguing process. Three parameters of mean power frequency (MPF), median freq uency (MF), and peak frequency (PF) were tested with healthy subjects.During 10 sessions at more than one week intervals, the subjects performed the same endurance test with clenching at 80% of maximal electromyographic activity. Changes in the surface electromyogram of the bilateral masseter and temporal muscles were obtained in the above three parameters. From the comparison between the three parameters, PF showed the largest scattering, and MPF indicated a clear difference calculated from the values before and after fatigue. Thus it is concluded that MPF may be the best parameter.
社団法人日本補綴歯科学会の論文
1989-02-01