The validity of TRX as a concept, tool and tactical approach for improving “fitness” and increasing human performance is beyond dispute: combine a serious resistance tool with an equally effective cardio/sustained-strength device and make it maximally portable, and you have a world beater; the fulfillment of the old Chinese adage, “Build a better mousetrap, and the world will beat a path to your door.” The path to the TRX doorway has been worn smooth.
