A force measurement system is disclosed herein. The force measurement system includes a force measurement assembly configured to receive a subject thereon, at least one visual display device having an output screen, and one or more data processing devices operatively coupled to the force measurement assembly and the at least one visual display device. In one or more embodiments, the one or more data processing devices are configured to determine a presence of a measurement error resulting from a portion of the load from at least one portion of the body of the subject being applied to an external object rather than the intended top surface of the force measurement assembly.