Middle-aged people use fitness equipment to exercise, the purpose is to maintain physical strength, enhance immune function, prevent and treat diseases, delay aging, preserve health and prolong life. The following instruments are available:

(1) Exercise bike: Exercise the muscles of the lower body in the form of a bicycle, which occupies the smallest area and is suitable for middle-aged and elderly people.

(2) rowing machine: it mainly exercises the strength of arms, back and waist, and the elderly should do what they can.

(3) Multifunctional stepper: It has the functions of running, waist twisting, foot massage, weight lifting, etc. And the amount of exercise is large, and the elderly should do what they can.