Pick a piece of fitness equipment as a gift for your parents, what would you choose? Why?

Choose an elliptical machine. First of all, the elliptical machine is a kind of aerobic fitness equipment, in terms of the intensity of the exercise, is able to achieve the purpose of most of the people usually exercise. Secondly, the elliptical machine and treadmill and dynamic cycling is different, people in the elliptical machine movement, the trajectory is elliptical, stepping down almost no focus point, the knee will not be as in the treadmill to withstand a few times the weight of the pressure of the people, and even can be said to be almost no pressure, so, do not hurt the knee.