If you have ever felt pain or stiffness in your lower back, you might have experienced a lumbar back strain. This is a common injury that affects the muscles, tendons, ligaments, and joints that support your spine. It can happen when you lift something heavy, twist your back, or overuse your back muscles. Lumbar back strain can make it hard to move, breathe, or do your daily activities. But don’t worry, there are ways to treat and prevent this condition. You can rest, take anti-inflammatory medication, and do some gentle exercises to ease the pain and improve your mobility. This fact sheet will show you how to recognize, manage, and recover from a lumbar back strain.