MASSETER muscleRESEARCH evaluationDESCRIPTIVE statisticsELECTROMYOGRAPHYSTATISTICAL reliabilityIntroduction: Electromyography (EMG) has been used to assess alterations in the masticatory system caused by temporomandybular disorders (TMD). Objectives: The aim of this study was to verify the test...