since my husband has a bad knee due to old football high school injury, he cannot run or jog and the treadmills allow him to have painless cardio exercises for hi health. this elliptical is used daily . not just my husband but also our 6 children and 3 grand children. i have recomended this octane q37e elliptical trainer to my friends and also my childrens high school who also has purchased 3 of them for the athletes. this trainer is a great way to get your cardio going as well as loose weight along with diet. my son who plays football in high school has lost 20 ponds using this trainer. this trainer...