What is acute mechanical back pain?

What is acute mechanical back pain?

Acute mechanical back pain is a common medical problem. Acute pain is pain that has been present in your back for less than four to six weeks. Mechanical means that the source of the pain may be in your spinal joints, discs, vertebrae, or soft tissues. Acute mechanical back pain may also be called acute low back pain, lumbago, idiopathic low back pain, lumbosacral strain or sprain, or lumbar syndrome.