1. A system for measuring physiological exertion, comprising: at least one sensor means for sensing a motion of a user, said sensor means including a converter means for creating a signal indicative of said motion of said user and a transmitter means for transmitting said signal, and a monitor, said monitor including a receiver means for receiving said signal, a correlation means for correlating said signal indicative of said motion of said user with a level of physiological exertion of said user and display means for displaying an indication of said level of physiological exertion of said user.