walking and running, strength training
As the Subject Says get the higher Moldel of em. I went and bout a lower model from sears,and the screws where stripped and parts were missing! And when I finnally got it put up,After 3days, The dang thing didnt work right! SO I went and bout a higher model and it only took 45min assembly and it works perfectly! I been having it for 6months and haven't had one breakdown!