The dance known as the foxtrot was invented by Harry Fox in 1914.
Muscular strength
Dancers have increased muscular strength, endurance and motor fitness. (No wonder professional dancers are today regarded as athletes.)
Heavy Lifting
Male dancer lifts about 1 1/2 tons of ballerinas, in performance only, during his career. Don't bother asking how many tons of lifting he does if all the rehearsals are included....