Waltz, one of the most popular dances today came into popularity in mid-19th century by the efforts of the famous composer Johann Strauss, but its origins can be traced even to the distant 16th century.
Most sensual dance
The most sensual dance of modern times is without a doubt the Tango. It originated in the 1890s in Argentina, but it quickly became very successful in Europe.
Muscular strength
Dancers have increased muscular strength, endurance and motor fitness. (No wonder professional dancers are today regarded as athletes.)