STS-81 pilot Brent Jett straps mission specialist John Blaha into the Crew Medical Restraint System (CMRS) in order to test the system. This is the first flight of the CMRS. Jett is practicing CPR on his subject (030-4). STS-81 commander Michael Baker straps mission specialist Marsh Ivins into the CMRS (035). Close-up view of the CMRS restraint straps (036).