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  • Title: Bite force and masseter muscle electromyographic activity during onset of an isometric clench in man.
    Author: Devlin H, Wastell DG.
    Journal: Arch Oral Biol; 1985; 30(3):213-5. PubMed ID: 3857893.
    Abstract:
    The surface electromyogram (EMG) of the masseter muscle and interocclusal force were recorded in six human subjects during fast and slow clenches. The simple linear force/EMG relation that applies for steady bite-force levels was inadequate to explain their relationship under conditions of changing force: a second component of force, its rate of change, was necessary. EMG/force equations for fast and slow clenches were broadly similar. The rate of change factor may account for the apparent EMG/force lag observed in earlier studies.
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