Low back pain syndrome involves lumbar vertebrae. it can be acute subacute or chronic. an acute lower back injury may be caused by a traumatic event like a car accident or a fall. in acute cases the structures damaged will more than likely be soft tissue like intravertebral discs muscles ligaments and tendons. with a serious accident osteoporosis or other causes of weakened vertebral ones vertebral fractures in the lumbar spine may also occur. chronic lower back pain has a more insidious onset occurring over a long period of time. physical causes may include osteoarthritis rheumatoid arthritis degeneration of the discs between the vertebrae or a spinal disc herniation a vertebral fracture (such as from osteoporosis) or rarely a tumor(including cancer)or infection. flamingo lumbar sacro belt gives you great relief.