“…In Que´bec, Canada, 59% of all workers report that they usually work standing, and the proportion of standing workers rises to 81% among young workers aged 15-24 (Tissot et al, 2005;Laperrie`re et al, 2005). By contrast, in the MUSIC I study of a Swedish working population aged 20-64, only 19% of men and 15% of women worked standing during more than one-tenth of the day (Wiktorin et al, 1991).…”