A lumbar strain is a common injury that affects the lower back muscles and tendons. It occurs when these muscles or tendons are stretched or torn due to sudden or repetitive movements, lifting heavy objects improperly, or twisting the lower back in an awkward manner.

Symptoms of a lumbar strain can include pain, stiffness, and muscle spasms in the lower back. The pain may be localized or radiate to other areas of the body, such as the buttocks or legs. The severity of the symptoms can vary from mild discomfort to severe pain that limits movement.

Treatment for a lumbar strain typically involves rest, ice or heat therapy, over-the-counter pain relievers, and gentle stretching and strengthening exercises. In severe cases, physical therapy or other forms of medical treatment may be necessary. Prevention of lumbar strain involves maintaining good posture, using proper lifting techniques, and avoiding sudden or repetitive movements that can put excessive strain on the lower back muscles and tendons.