The purpose of the lumbar back brace is to contain the area and the sacral region of the back. Typically, lumbar back braces are used for patients with chronic pain or low back pain. Wearing a lumbar back brace can help achieve postural stability and minimise muscle tension that usually leads to low back pain.. *For hygiene reasons, we do not accept returns for this product after it has been opened. It can only be returned if the seal is still intact and the packaging has not been manipulated.