title: Motor unit number estimation in the upper trapezius muscle.
authors: Department of Neurology, Wayne State University School of Medicine, University Health Center 8D, 4201 St. Antoine, Detroit, MI 48201, USA.
authors: Richard A
authors: RA
authors: Lewis
mesh_terms: D000200:Action Potentials / Q000502:physiology; D000328:Adult; D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis; D002607:Charcot-Marie-Tooth Disease / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons / Q000502:physiology*; D009134:Muscular Atrophy, Spinal / Q000175:diagnosis; D009334:Neck Muscles / Q000473:pathology / Q000503:physiopathology*; D055815:Young Adult