Developed by Tom Purvis in January of 1999, the Strength Profile involves a procedure for analyzing, measuring, and graphically representing human torque in specific exercises falling under general exercise categories. Currently there are four general categories: L-H-L (formerly Single Joint A), H-L (formerly Single Joint B and Trunk), Multiple Joint Extending (load line specific), and Multiple Joint Flexing (load line specific).
Advanced Education For The Exercise Professional