Coordinate system considerations in the creation of a 3-D dynamic model

The authors describe the coordinate system transformations necessary to reformat published anthropometric data for inclusion in a predefined 3-D body model. A 3-D dynamic model requires input from several sources that often have different frames of reference. Through a series of coordinate transformations and data manipulations, the various frames of reference can be brought into coincidence. This allows for the creation of one coherent model. One such model, developed at the Massachusetts General Hospital, is described.