Swimming is an underwater sport, due to the impact of the whole body movement, especially the pedal, the hand fan in the water that people can move across the water at different speeds. .
In addition, swimming is a popular sport, interesting and very beneficial, everyone can practice, suitable for all ages and all conditions. Swimming helps to mobilize the whole body, regulate breathing, stimulate circulation, soothe the mind and especially does not hurt joints (back pain, knee pain) thanks to the weightlessness of water. Water pressure plus the pressure of the muscles that press into blood vessels makes it easier for blood to flow back to the heart and lungs.
Swimming has been known since prehistoric times. The earliest documentation of swimming dates back to the Stone Age through paintings 7,000 years ago. Written literature dates from about 2000 BC. Swimming competitions began to be held in Europe around 1800, mostly frog swimming. Swimming became a sport at the first modern Olympic Games in Athens in 1896.
In 1902 Richard Cavill introduced the style of swimming tummy to the Western world. In 1908 the World Swimming Federation, Fédération Internationale de Natation (FINA), was established. Butterfly swimming was developed in the 1930s and was initially considered a variant of the Swimming Frog, until it was accepted as a separate swimming style in 1952.
Swimming content is very wide. Currently, swimming in competitions at the Olympic Games and World Swimming Championships consists of four parts: sports swimming, diving, water polo and art swimming. These four sections soon became four independent competitions soon.
The form of swimming in swimming is very diverse and plentiful. Currently, many types of swimming activities are being widely developed, including the following types: Sports, practical swimming, mass swimming, special swimming.
The public swimming activity taking the criteria of physical enhancement to enrich the spiritual life such as health recuperation swimming, relaxing swimming, water games, health-promoting swimming, slimming swimming have developed strongly in many parts of the world and has become an integral part of modern swimming.
This is because this type of swimming does not require high technology, fast speed, and has a simple and diverse form of operation, so this type of swimming has become more and more popular. The type of public swimming is increasingly developing rapidly, becoming an important part of modern swimming