Do i have to turn over all my medical records for a work comp law suit?

usually if you are claiming an injury at work, all your prior records of medical treatment are relevant, or might be. the defense has the right to see and decide if relevant, re prior injuries, etc. it should not be a problem, most can be put in proper perspective and not damage your current claim, whether it is a new injury or an aggravation of a prior injury. both are compensable. thank you,  jay stillman