The best synchronized swimmers are not training only synchronized swimming to be good. It requires a comprehensive training to develop into a strong, charismatic swimmer.
Examples of trainings for an synchronized swimmer at the highest level may be this:
Swimming
For fitness sake. Selection to the squad is done primarily by swimming test.
Figure Training
Review and refinement of the figures they will compete in. The characters are various difficult, depending on the working age.
Ballet
Develops suppleness and agility.
Gymnastics
For elasticity, strength and agility.
Strength Training
Helping girls cope with heavy loads of other people in the team, but also to get good heights.
Technique
Synchronized swimming is a sport that requires great technical skill and balance to handle all the different movements in the water. Therefore, some passports only consist of technical training to cope with spin, launch, etc. that they will perform with panache.