5. The old man's knees are upright, his feet are close together, his knees are slightly bent, and his hands support his knees, rotating from right to left and left to right respectively 10 times.

Knee exercise is beneficial to blood circulation of feet, stretching sedentary legs and preventing leg diseases.

The old man holds the support in his leg or puts his hands on his hips, lifts his left foot forward, hooks his toes, and then pushes his heel down slightly.

Change your right foot and repeat the above actions.

Repeat this set of actions 10 times or more.

Old people put a bottle on the ground with their feet, sit on a stool and roll back and forth on the bottle with their feet.

Bottles can give a powerful massage to the soles of feet, relax the muscles of feet and improve blood circulation.

8 Old people naturally hang down their hands, their feet are shoulder-width apart, their arms are lifted from both sides, their hands are kept opposite, and then their palms are up, keeping their lifted posture, and their eyes look at their fingers and take deep breaths for 3 times, and then recover.

This action is repeated 3-5 times.

Whole-body exercise for the elderly can promote blood circulation and enhance cardiopulmonary function.