title: Quantitative relationship between surface EMG and intramuscular electromyographic activity in voluntary movement.
mesh_terms: D000293:Adolescent; D000328:Adult; D001132:Arm; D001830:Body Surface Area; D004576:Electromyography; D006801:Humans; D008297:Male; D008433:Mathematics; D008875:Middle Aged; D009068:Movement; D009119:Muscle Contraction; D005082:Physical Exertion