Provides accurate, repeatable measurements of cervical movement and the objective data that third-party payers require. The CROM combines AMA-required inclinometers and magnets in an easy to use instrument. Eliminates positioning, zeroing and tracking errors common with stand-alone inclinometers. Allows rotation movements in upright position. Standardised protocol minimises chance for examiner error. Comfortable, lightweight frame positions easily and securely with Velcro straps. CROM comes complete with manual, normal values, magnetic yoke and convenient storage case.