Lower back pain is a common condition that affects people of all ages, often caused by poor posture, muscle strain, injury, or prolonged sitting. It can also result from conditions like a slipped disc, arthritis, or nerve compression. Symptoms may include stiffness, aching, or sharp pain in the lower spine that can spread to the hips or legs. Most cases improve with rest, gentle stretching, and proper ergonomics, but persistent or severe pain may require medical evaluation to rule out underlying