The anatomy of the human body is designed in such a way that the back cannot support the weight of the entire body for a long time that people spend sitting in front of their computer screen at their work station. So the first thing which one needs to do for taking care of this problem is to sit in office chairs that provide proper lumbar back support. ergonomic office chair reviews The lower back portion of the human anatomy is designed in such a way that it has a natural inward curve towards the stomach. Thus the space between the lower part of the spine and the stomach needs proper support.