Three-dimensional amplitude characteristics of masseter motor units and representativeness of extracted motor unit samples.


Department of Orthodontics, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany. Electronic address: [Email]


This study aimed to characterize amplitude topographies for masseter motor units (MUs) three-dimensionally, and to assess whether high-density surface electromyography (HDsEMG) is able to detect MU samples that represent the masseter's entire MU pool.


Electromyography,High-density surface EMG,Masseter,Motor unit,Scanning EMG,Temporomandibular disorder,