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  • Title: Correlation between autoregressive moving-average model parameters of electromyogram of human jaw closing muscles and maximum clenching time at intercuspal position.
    Author: Shi CS, Mao Y, Guo TW.
    Journal: J Oral Rehabil; 1994 Sep; 21(5):559-63. PubMed ID: 7996340.
    Abstract:
    During maximum clenching in the intercuspal position, surface electromyograms of left masseter and anterior temporal muscles were sampled in 16 healthy subjects with natural dentitions to establish a four-order, autoregressive (AR) moving-average (MA) model of the myoelectrical signals. The correlation coefficients and the linear regression between the model parameters and the clenching time were calculated. The model parameters had the positive or the negative correlation, and AR model parameters had the higher correlation than MA model parameters. The model parameters relate to muscular fatigue and the slope of the regressive equation relates to the endurance time of the isometric contraction.
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