There is no sport to keep athletes keep fit during winter.
Wii fit lol
Basketball was invented deliberately, as a safe Indoors sport to keep athletes going during Winter.
The game of basketball was created to give athletes something to keep them in shape during winter months. It was invented in 1891 by James Naismith.
Animals that stay active during the winter days grow a winter coat, which is thicker fur then they have during the warmer seasons.
252 athletes competed at the 1932 Winter Olympics.