original names : ping pong is table tennis ,scrambling is moto cross (walking on rocks sometimes using 4 limbs is now called scrambling),battledore and shuttlecock is badminton,sidewalk surfing is skateboarding,rounders may be baseball and motorcycling is biking (although I note the lycra gang want to pinch the term and as far as I am concerned they can have it, I hate being called a biker),