Muscular Activity in Relation to Support of the Upper Extremity in Work With a Computer Mouse. - Jarmo Sillanpää; Mika Nyberg; Jukka Uitti; Esa-Pekka Takala; Pertti Kivi; Iiro Kilpikari; Pekka Laippala (Int. J. Hum. Comput. Interact., 2003)