Swimming can lose weight and exercise more than running. If conditions permit, you can go there three times a week and wear hairband to protect your hair. Two or three hours at a time. Suitable for all seasons. Never swim on an empty stomach or when your stomach is bloated.

Swimming can strengthen the body, improve muscle structure and improve cardiopulmonary function. If you want to practice waist and abdomen strength, swimming is a very good aerobic exercise for the human body, even one of the best exercises for the human body.

Swimming is a skill that people float upward under the buoyancy of water and make their bodies move regularly in the water by virtue of buoyancy.

Swimming can be divided into competitive swimming and practical swimming. Competitive swimming is the second largest event in the Olympic Games, including butterfly, backstroke, breaststroke, freestyle and synchronized swimming.

With the development of swimming, swimming can be divided into practical swimming and competitive swimming. Practical swimming is divided into sidestroke, diving, breaststroke, treading water, rescue, etc. Competitive swimming is divided into breaststroke, crawl, backstroke, butterfly and freestyle. The grades are: Grade III, Grade II, Grade I, Elite and International Elite.

Reference: Baidu Encyclopedia Swimming