Volleyball is an Olympic team sport in which two teams of six active players, separated by a high net, each attempt to score points against one another by grounding a ball on the other team's court under well structured rules. The total rules of volleyball are extensive, but in general, the game proceeds as follows: Points are scored by grounding the ball on the opponents' court, or when the opponent commits a fault. The sport started off in the United States, and is now just attaining the type of popularity in the U.S. that it has received on a global basis, where it lines behind only soccer among team sports.