WHILE EXAMING A BELT LINE THE PRE-SHIFT EXAMINER'S RIGHT KNEE BEGAN TO HURT HIM. HE HAS A SIGNFICANT & EXTENSIVE HISTORY OF KNEE SURGERIES. 2 SPECIALISTS DETERMINED THAT HE HAS DEGENERATIVE JOINT DISEASE FROM THESE REPEATED TRAUMAS & HE WENT OFF WORK FOR ANOTHER SURGERY. THIS SURGERY IS A HIGH TIBIA OSTEATOMY