Does your job require you to sit down? For those of you who work in the office may be sitting more is not it? Maybe you think sitting in a long time will not cause harmful side effects. But sitting within 7-10 hours will be very dangerous to your health. Mark Sechnieder, one of the personal trainers at Movement Minneapolis, said: "Sitting is a perfectly normal activity. But it will be a health hazard when you do Passively Sitting throughout the day. "Research from the American Jaournal of Preventive Medicine says, nearly 4% of cases of premature death caused by sitting all day. "Because all the risk of dangerous diseases will increase when you are seated, then the risk of premature death will also come." Therefore, you are required to sit in many work activities often you stand for a moment to avoid a disease that can cause death .