The highly energetic, constant motion of basketball!
Solo or in group.
Dribble, catch, pass, shoot, in place or back and forth between imaginary baskets.
Be a Harlem Globetrotter, put on a show, break a sweat.
Use it as a warm up before a weight work out. Play with this imagery until your heart rates goes up. Try it out on the next black top with a real hoop, no ball :)