Numbness and tingling are abnormal sensations that can occur anywhere in your body, but they are often felt in your fingers, hands, feet, arms, or legs.| medlineplus.gov
Spinal fusion is surgery to permanently join together two or more bones in the spine so there is no movement between them. These bones are called vertebrae.| medlineplus.gov
You were in the hospital for spine surgery. You probably had a problem with one or more disks or spine bones. A disk is a cushion that separates the bones in your spine (vertebrae).| medlineplus.gov
A herniated (slipped) disk occurs when all or part of a disk is forced through a weakened part of the disk. This may place pressure on nearby nerves or the spinal cord.| medlineplus.gov