* * * Swimming. Swimming can not only exercise hands, feet, waist and abdomen, but also benefit internal organs, such as heart, brain, lungs and liver, especially blood vessels. In addition, swimming can also lose too much weight because the calories consumed in water are obviously higher than those on land. Swimming time is very important. After six or seven in the morning, four or five in the afternoon and seven or eight in the evening are all good choices. You can swim 10 minutes to half an hour at a time, about two or three times a week.

* * * Go. * * Walking on the flat ground has little pressure on knees and ankles, which is suitable for almost everyone, including the old, weak and seriously ill. Walking equipment is also very simple, just a pair of sneakers with comfortable feet. In summer, try to take a walk on a shady path, windy river bank or seaside, especially in the park. Everyone can find out the appropriate amount of exercise according to their age, physique and severity of illness. The general principle is not to be too tired and sweat slightly.

* * * badminton. Playing badminton can not only strengthen the body, lose weight and keep fit, but also prevent cervical spondylosis. Badminton is played in indoor courts, so it is not easy to get sunburned. It is an ideal choice for summer sports. Badminton is suitable for men, women and children, and the amount of exercise can be determined according to their age, physique, sports level and the characteristics of the venue environment.

* * * Yoga. * * In summer, the human body's qi and blood are relatively unobstructed, and the limbs are relatively stretched. At this time, practicing yoga not only makes people relax physically and mentally, but also stretches the muscles and tendons of the body, which makes people feel refreshed.

The exercise information listed above may be incomplete, so you can choose the exercise mode that suits you according to your physical condition and preferences.