Swimming classification before 1950s

How many kinds of swimming are there
Before the 1950s, swimmers attached great importance to the role of two legs in kicking. Generally, the two arms took turns to stroke once and kick six times. Later research proved that the energy consumption of kicking is much greater than that of the stroke arm, and the driving force to push the body forward mainly comes from the stroke of the armHow many swimming positions are there
Common swimming postures are generally divided into crawl, breaststroke, butterfly and backstroke. Freestyle Australian Willis in 1850 used a stroke in which his hands moved forward on the water, which can be regarded as the prototype of freestyle. In 1873, John Trajan, a British swimmer, adopted a breaststroke with alternating handsSwimming can improve people's cardiopulmonary function. According to the classification of swimming strokes, which can be divided into
Swimming can improve people's cardiopulmonary function. According to the classification of strokes, it can be divided into freestyle, breaststroke, butterfly and backstroke. In 1896, the first Olympic Games officially began to list freestyle as a competitive event. Freestyle is generally not limited by the stroke, and crawl is the only stroke in freestyleHow many kinds of swimming are classified
Competitive swimming: freestyle, backstroke, breaststroke, butterfly. Practical swimming: side stroke, diving, anti breaststroke, treading water, mainly used for water life-saving, water towing, armed river crossing and other activities. Introduction: swimming means that people float upward under the buoyancy of water and move regularly through their limbs by virtue of buoyancyWhat are the types and methods of swimming
In order to complete the four swimming postures at the same time, athletes must have a good comprehensive training level. To achieve good results, they must also achieve outstanding results in a certain eventHow many ways do you swim
Main classification: practical swimming is a kind of swimming method with great value in military affairs, production and life service. Such as crawl (freestyle), breaststroke, side stroke, diving, treading (standing stroke), water rescue, armed swimming, anti breaststroke (backstroke) and dog planingWhat are the categories of swimming
Swimming can be divided into three categories: practical swimming, competitive swimming and synchronized swimming. Practical swimming is a way of swimming that is of great value in military affairs, production and life services. Such as crawl (freestyle), breaststroke, side stroke, diving, treading on water (standing stroke), water rescue, armed swimming, anti breaststroke (backstroke)What kinds of swimming are there
There are four most common swimming styles: freestyle, breaststroke, butterfly and backstroke. Backstroke means lying on a stool with the waist and hips on it, with the back suspended and the head flat. Then turn your shoulders alternately with your arms, and beat your legs up and down alternately with your arms. Pay attention to tightening your abdomen when you move your arms. Do 4 to 6 groupsWhat are the categories of competitive swimming
Competitive swimming is divided into breaststroke, crawl, backstroke and butterfly. Competitive swimming. At the first Olympic Games in Athens in 1896, men's swimming was listed as one of the nine events (including 100 m, 500 m and 1200 m freestyle). At the fourth Olympic Games in London in 1908, the International Amateur Swimming Federation was establishedWhat kind of swimming
Breaststroke: breaststroke was the first stroke to be used as a competition, and freestyle and butterfly were also developed from it. In the 1940s and 1950s, because many Japanese swimmers took advantage of loopholes in the regulations to snorkel in long-distance competitions, so as to obtain benefits, the swimming rules were changed in 1956 to allow swimmers to swim only after taking off and after turning the pool