Have you had lower back pain before? it has been caused by lifting heavy weights? Find here 8 stretched to relive lower back pain. It can be quite severe and painful at times. Back pain is no laughing matter. Muscle strain/ligament sprain - by far this is the most common cause and normally the pain does not last for a long time compared to the other causes. Spinal stenosis - This condition causes pain through narrowing of the spinal canal where the nerve roots are located. #LowerBackPain Physical Therapy Quotes, Stenosis Exercises, Severe Lower Back Pain, Lower Back Pain Causes, Relieve Lower Back Pain, Severe Back Pain, Causes Of Back Pain, Lower Body Muscles, Lower Back Pain Exercises