Williamson, D A Methodology: EMG measurement as a function of electrode placement and level of EMG. [electronic resource] - Psychophysiology May 1980 - 279-82 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0048-5772 Standard No.: 10.1111/j.1469-8986.1980.tb00150.x doi Subjects--Topical Terms: Electromyography--methodsFemaleHumansMaleMuscles--physiology