Aging, improper body mechanics, trauma and structural abnormalities can injure the spine, leading to back pain and other symptoms such as leg pain and/or numbness or even leg weakness. Chronic back pain is a condition that generally requires a team of health professionals to diagnose and treat. Before resigning to spinal surgery treatment, it is important to consider getting opinions from several spine specialists or other orthopaedic surgeons. This investment of time and information-gathering will help to make an informed treatment decision that will best support the patient's lifestyle and desired level of physical activity. Lumbar spine surgery refers to any type of surgery in the lumbar spine, or lower back. There are two general types of lumbar spine surgery that comprise the most common surgical procedures for the lower back. The goal of a decompression surgery is usually to relieve pain caused by nerve root pinching. There are two common causes of lumbar nerve root pressure. The goal of a decompression surgery or a back surgery is usually to relieve pain caused by nerve root pinching. There are two common causes of lumbar nerve root pressure: from a lumbar herniated disc or lumbar spinal stenosis. This type of pain is usually referred to as a radiculopathy, or sciatica. The surgeon cuts away bone at the sides of your vertebrae to widen the space where nerves exit your spine. The extra room may relieve pressure on the nerves and ease your pain. Like a laminectomy, this procedure can also make your spine less stable. So the surgeon may do a spinal fusion at the same time.