You should also do exercises of the back if you have a sitting job. When you are sitting on the chair in office to work on your computer, you need to adjust the office chair according to your physical proportions and adjust your back of the chair to a 100°-110° reclined angle. The position of your monitor screen should be approximately 2-3” above seated eye level. To decrease Excess Body Fat – This is really a shocking fact - sitting for a long time can result in the buildup of fat in the body. These days’ people want to reduce body fat and maintain a good figure. But it is not possible if you are sitting for a long time on the chair in the office. Sitting for a extended hours is a big reason of increase in body fats and it can further lead to high blood pressure and cause heart attack. If you want to decrease your fat, you need to do physical exercises and you can also use a standing desk for work if you have a sitting job. These small things are very important for the fitness of your body.If we sit on the chair for a very long time, then our body and health undergoes a lot of damage. When we sit on a chair for a long time; for example in the office to work on our computer, gaming on the new Xbox or sitting for the computer class then many problems crop up for our body.You must be curious how you are going to use a computer in the office when you should not sit for long hours.Well standing desk is the solution for your problem. Sitting in short means killing yourself. Our body is like a machine. It is very important to take care of your body.We want to inform you via this post that you should not spend a lot of time sitting on the chair.These are top five reasons you should shun your chair for your good health. Sitting for long on a chair aggravates desk back pain – Desk back pain is the pain in your back that arises because of wrong sitting posture and extended sitting hours on your desk. Sitting for a long time on the chair will affect your body muscles especially the back muscles.We put a lot of stress on our back when sitting on the chair because of which we get desk back pain. Sometimes we do not sit in a proper posture on the chair which aggravates the pain and problem. If you want to avoid back pain don’t sit for too long on your chair.