Push Pull Muscle Strength Dyn. Digital 500 Lb. Pediatric Special Needs * Wide Cut out Seat Allows 8975 * Wide Cut out Seat Allows For Easier Personal Cleaning s upper back shoulder and neck areas can also be treated * This option provides a standard stationary unit * Product Function: *For use on upper back * Product Details * Material: Stainless Steel * Legacy Model: JO 315 * Appropriate for: Athletic Trainer Physical Therapy * Capacity in Liquid Volume: 75 gallons * Body Treatment Location(s): sitting upper back * Internal Length: 52 * Internal Width: 24 * Internal Depth: 18 * Certification(s): MET CE DIGITAL (LCD) READOUT * 500 lb * The heavy duty dynamometer features the hydraulic system that is used in the industry accepted Baseline© and Jamar© hand dynamometers and pinch gauges * Hydraulic system ensures accurate readings * The dynamometer is much lighter (1 ) and easier to use than spring push pull dynamometers that are in common use today * Dial continuously shows instantaneous force and holds the maximum force reading * This maximum reading should be manually recorded prior to resetting for the next test * Available with either an analog (dial) readout or a digital (LCD) readout * Choose either 50 lb