Synchronized swimming seems to be an absolutely easy exercise.
However, under water, the sport demands much physical strength, stamina, suppleness, elegance and artistic quality.
Russia's gold medalists Natalia Ishchenko and Svetlana Romashina pose with their national flag and medals after winning the synchronized swimming duet free routine final in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Tuesday, Aug. (AP Photo/Wong Maye-E) From left, China's silver medalists Huang Xuechen and Sun Wenyan, Russia's gold medalists Natalia Ishchenko and Svetlana Romashina and Japan's bronze medalists Yukiko Inui and Risako Mitsui pose during the medal ceremony for the synchronized swimming duet free routine final in the Maria Lenk Aquatic Center at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Tuesday, Aug.
Aquatics-Synchronized Swimming at Olympics: Synchronized swimming is the combination of swimming, gymnastics and ballet.
Synchronized swimming had been recorded in the late nineteenth century.
According to many the swimming discipline has developed from the figure swimming event, which was performed by a group of male swimmers in Berlin.
However, synchronized swimming originated as a competitive sport event in the early twentieth century.
Annette Kellerman, the Australian swimmer gave a performance in a glass tank in 1907. Following her was Katherine Curtis, who included diving actions and stunts in the program in 1915.
The next famous name in synchronized swimming was Esther Williams.
In 1930s, Curtis in the nomenclature of the sport and the sport was named "synchronized swimming".
That much was clear as soon as Natalia Ishchenko and Svetlana Romashina finished the synchronized swimming duet routine that would win them their fourth career Olympic gold medals on Tuesday, extending one of the longest winning streaks in Olympic history.
Russia has not been beaten in an Olympic synchronized swimming event for 20 years, a streak almost certain to be maintained when Ishchenko and Romashina go for another gold Friday in the team event.
They're so far ahead of the rest that the only people who seem capable of putting them under pressure are their own fans back home.