The discomfort and pain from slouching at a desk all day is very common, with many office workers suffering pain at least once a week. Avoid unnecessary discomfort at work by focusing on your posture and making your workstation ergonomically appropriate. When applied to your workstation, these two tips will help promote good posture and correct ergonomics:
Chair position—Adjust the height of your chair so that your feet rest comfortably on the floor, with your knees about level with your hips, making sure your seat is not pressing against the back of your knees.
Computer monitor—Position your monitor 18 to 30 inches from your eyes. The top of your screen should be at eye level or below so you look slightly down at your work. If glare is a problem, turn off some or all overhead lights and close blinds if possible.