slipcover definition: a removable, fitted cloth cover for an armchair, sofa, etc.transitive verb -Â·covÂ·ered, -Â·covÂ·erÂ·ing to cover (a chair, etc.) with a slipcover... Definitions
Upper and middle back pain may be caused by: 1  Overuse, muscle strain, or injury to the muscles, ligaments, and discs that support your spine. 2  Poor posture. 3  Pressure on the spinal nervesspinal nerves from certain problems, such as a herniated disc.  A fracture of one of the vertebrae.
Below are some other causes of back pain: 1  Cauda equina syndrome - the cauda equine is a bundle of spinal nerve roots that arise from the lower end of the spinal cord.  Cancer of the spine - a tumor located on the spine may press against a nerve, resulting in back pain.