Sitting more than 8 hours a day is considered sedentary. Sedentary, refers to those who need to often sit down to work a family, long time face computer, long time driving, they are characterized by sitting at least five days a week, so it is called sedentary. The distribution of sedentary people are IT professionals, designers, accountants, editors, teachers, office workers and so on.

There are many sedentary people abroad. Most Americans have to sit at least eight or nine hours a day, with a lunch break of only one hour. Germans have to sit in the office for eight hours a day, with a two-hour lunch break, but most people, because they live in the suburbs, go to work and drive or take the train for 5-8 hours. Japanese people have to sit 8-12 hours a day at work, however, they get up and walk around a lot, such as to receive guests and go to the conference room as a group to discuss things.