The article discusses the topic of lower back pain, also known as "dolor lumbar." It highlights the common causes of lower back pain, such as poor posture, muscle strain, or injury. The article goes on to explain the importance of seeking medical attention for persistent back pain, as it may indicate a more serious underlying condition. It also emphasizes the role of regular exercise and proper lifting techniques in preventing lower back pain. Overall, the article aims to educate readers about the causes and implications of lower back pain, and the steps they can take to alleviate discomfort and improve their overall spinal health.