Severe lower back pain when walking or standing can be attributed to various factors, and it’s essential to consider both mechanical and lifestyle-related contributors. Here are some common causes: Muscle Strain: Explanation: Overexertion or improper use of the muscles in the lower back can lead to strain, especially when walking or standing for extended periods. Recommendation: Practice proper body mechanics, avoid lifting heavy objects incorrectly, and consider strengthening exercises for the back muscles. Poor Posture: Explanation: Incorrect posture while walking or standing can put undue stress on the lower back, leading to pain. Recommendation: Be mindful of maintaining good posture, and consider exercises that promote core strength and stability. Spinal Stenosis: Explanation: Narrowing of the spinal canal can occur with age, leading to compression of the nerves and resulting in pain, especially during weight-bearing activities. Recommendation: Consult with a healthcare professional for a proper diagnosis and consider exercises that improve spinal flexibility. Herniated Disc: Explanation: The gel-like material within a spinal disc can leak or rupture, putting pressure on surrounding nerves and causing pain, which may worsen with certain movements. Recommendation: Medical evaluation is crucial. Specific exercises and treatments may be recommended based on the severity of the herniation. Sciatica: Explanation: Compression or irritation of the sciatic nerve, often caused by a herniated disc, can result in sharp, shooting pain that radiates down the leg. Recommendation: Consult with a healthcare professional for a thorough assessment and appropriate treatment, which may include stretching exercises. Degenerative Disc Disease: Explanation: Wear and tear on the spinal discs over time can lead to degeneration, contributing to pain during weight-bearing activities. Recommendation: Exercise, weight management, and lifestyle modifications may help manage symptoms. Consult with a healthcare professional for guidance. Arthritis: Explanation: Osteoarthritis or other forms of arthritis can affect the spine, causing inflammation and pain exacerbated by movement. Recommendation: Consult with a healthcare professional for an accurate diagnosis and explore management strategies, which may include medication and gentle exercises. Spondylolisthesis: Explanation: This condition involves one vertebra slipping forward over another, leading to instability and potential nerve compression. Recommendation: Consult with a healthcare professional for diagnosis and treatment options, which may include physical therapy. It’s crucial to note that individual cases vary, and a healthcare professional can provide personalized advice based on a thorough examination and diagnostic tests. If you’re experiencing severe lower back pain, especially during activities like walking or standing, seek prompt medical attention for an accurate diagnosis and appropriate treatment.