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Abstract

Apparatus for simulating the operational characteristics of different tools in the rehabilitation therapy of damaged limbs by simultaneously carrying out, in coordinated fashion, several muscle and joint movements, which comprises: (a) an angularly adjustable shaft mounted for full rotation in either direction about a fixed axis; (b) a rotation register for measuring the degree of rotation of said shaft; (c) a brake responsive to an applied voltage for applying a constant pre-determined torque resistance to said shaft corresponding to the amount of applied voltage; (d) a device for selectively varying the amount of said voltage at a constant value such that said corresponding torque resistance is maintained at a constant value within a range useful for rehabilitation therapy; and (e) an accessory coupler on one end of said shaft for detachably receiving and supporting corresponding coupler elements of a plurality of tool simulator accessories of different frame and handle sizes and/or configurations.

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First Claim