Lower back pain, also known as lumbar pain, is a common condition that affects many people at some point in their lives. It can range from mild discomfort to severe, debilitating pain. Here are some details about lower back pain: Anatomy of the Lower Back: Spine Structure: The lower back, or lumbar region, consists of five vertebrae (L1 to L5) that make up the lower part of the spine. Between each vertebra are intervertebral discs that act as cushions and provide flexibility to the spine. 2. Muscles and Ligaments: Numerous...