1. Fixed bicycle: it is suitable for zero-based exercise for the elderly and safer.

2. Elliptical machine: Combining the advantages and disadvantages of several mainstream home aerobic fitness equipment, elliptical machine is indeed the most suitable fitness equipment for parents and themselves.

3. Treadmill: Although the exercise intensity is not great, because the physical function of the elderly at home has deteriorated, it is not necessarily suitable for treadmills, and the impact brought by long-term running may cause damage to joints.