The human body was not originally designed to sit for the long periods of time that modern humans tend to, and in addition to lower back pain, inadequate support also puts stress on the joints and surrounding tissues. Many people try to compensate by shifting more of their weight forward while sitting, but this can create additional pain, and may also trigger sciatica. buy the best ergonomic chairs In order to alleviate this pain, the first step is to evaluate the chair you are using and see if you can adjust it to provide proper lumbar support. Depending on your height, the lumbar support may be just right and fill into your lower back.