Many individuals have no choice but to spend their entire day sitting at a desk. Prolonged sitting can lead to many different health effects, not the least of which is lack of exercise. Fortunately, if your job requires you to sit at a computer all day, there are some things you can do to stay healthy, get exercise, and break up your day. PRACTICE GOOD POSTURE Bad posture can be disastrous to your health when combined with 40 hours a week of sitting at a desk. Back problems,