Arthroscopy is defined as viewing inside of the joint with help of tiny endoscope which is passed into the joint. this endoscope is connected to tiny camera which is connected to video monitor. Hence inside picture of the joint comes on TV screen. Surgeon does surgical procedure through another small hole hence whole surgical procedure is done through key holes. In comparison to open cuts, cuts here are very small and recovery is faster. thats why those patients who are aware of these procedures will prefer to undergo these procedures in compatison to open procedures. Recently these procedures have also been extended to various spinal disorders.