There are no hardware requirements for running the 3Dkin module. Of couse the program can only be run on the Windows platform. Before one starts using the 3DKin module be sure to read the sections theory and the practical setup in this manual. These sections describe in detail the use and purpose of the 3DKin module. There are certain items that the 3DKin module requires in order to be able to calculate the full kinematics and kinetics of the human lower extremity.