Bre'oun Dance looks elastic. He moves from the ground to the air, dancing in between, in a matter of seconds. He stiffens his chest, pops it in and out, jerks it back. His arms swing like windmills.

To an outsider, krumping may seem like another dance that will lose its hipness to time, but the dancers believe it will have longevity because it's a cultural movement with religious and spiritual ...