The elliptical fitness crosstrainer provides smooth natural low impact workouts that help you get results the top of the line commercial efx 576i features cross ramp technology moving handlebars and the same programs and features in the convenience of your home key features of the refurbished precor efx 576i elliptical the patented motion allows your heels to remain in contact with foot pedals reducing muscle and tendon stress tap control tactile paddles control cross ramp and resistanc