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DynEx™the New Standard of Excellence The DynEx dynamometer offers therapists advantages not previously available in old generation technologies, and in a format which allows these advantages to be easily realized. DynEx™ electronic hand dynamometers offer therapists and their patients a precise, versatile, reliable and user-friendly professional instrument to perform Grip Test, or to perform isometric Grip Therapy using its scientific approach to strengthen the hand-grip muscle group. Two models, DynEx1™ and DynEx2™, are offered. Each is equipped with Grip Test mode. DynEx2 also provides Grip Therapy mode offering two methods for strengthening the hand-grip muscles. The microprocessor power of DynEx technology enables collection of all data and review of that data following a series of measurements, including an automatic calculation of statistical data. Microprocessor control also enables management of the isometric therapy in a manner previously not feasible, making this type of therapy viable. DynEx® handle widths are the same as those commonly used in the hydraulic JAMAR Hand Dynamometer, making it possible to transition from old to new technologies without loss of consistency. Results of Norms tests conducted by the University of Florida Dept. of Occupational Therapy report excellent concordance between JAMAR and DynEx measurements. DynEx reliability exceeds 0.97 for test-retest exceeding those of the older hydraulic technology. Validity between JAMAR and DynEx achieved 0.95. The DynEx instrument is designed for observation by either the patient or therapist, allowing for blind measurements, & configuration settings may be easily switched between English and Metric. A data communications port located on the back of each DynEx provides a means of downloading archived data to a PC and for remote monitoring.