Originally Posted by PlankIt
And you could easily extend that to many other sports - be it running, cycling, dancing, mma....
Yes and no. At some point, performance craters when you get too skinny and that tends to weed out those behaviors. They certainly exist but the primary drive isn't towards a low weight per se. That's more secondary to the sport itself.
bbing and figure aren't performance oriented.
With the physique activities, appearance IS the performance criterion