Our qualitative approach regarding the domain enabled us to merge as a trusted supplier of Cross Trainer (OF 503). This trainer delivers cardiovascular benefits through elliptical motion and strengthens the upper and lower body muscles. This exercise completely avoids the impact stress often experienced on feet, knees, hips and lower back. We source this trainer with the help of our agents from reputed vendors of the market. Cross Trainer (OF 503) is a great workout station for less agile users. Exercise is achieved by simply standing on the feet platforms and letting your legs push back and forth whilst controlling the rate of movement by your hands and arms.