Volleyball variations of beach volleyball. As beach volleyball took volleyball outdoors, indoor sand volleyball takes beach volleyball indoors. In the United States, a growing number of colleges are now considering switching from hard court indoor volleyball to sand court indoor volleyball. The biggest reason for the possible change is the reduced rate of injury of players. Secondary reasons are: 1) bad weather doesn't cancel play, something that commonly happens with beach volleyball; 2) it is thought to make the game more appealing to spectators since sand courts do not require players to wear knee pads or shoes. Indoor sand volleyball teams vary
Beach volleyball (overhand passes which accidentally cross over the net are an exception). These differences between the rules of indoor volleyball and beach volleyball strongly affect tactics and techniques. Beach volleyball players use hand signals to indicate to their partners the type of block they either intend to make (if they are the designated blocker) or that they want their partner to make (if they are the designated defender). Block signals are important so that both the blocker and defender know which area of the court is their responsibility to cover. Block signals are made behind the back to hide them from