1. An exercise assembly comprising: a) a frame; b) a single resistance source; c) a tilt platform pivotally attached to said single resistance source; d) a first pulley connected to said frame; e) a second pulley connected to said tilt platform; f) a first cable disposed around said first and second pulleys and connected to said frame; g) a third pulley connected to said frame; h) a fourth pulley connected to said tilt platform; and i) a second cable disposed around said third and fourth pulleys and connected to said frame.