Zoom water polo swimoff Malmsten Flotation Rig players dispute begining of play at referee's whistle both teams swim to midpoint of the pool Mikasa ball in a floating ring

object recreation board reflection swimming waterpolo pool water polo goal sport float healthy indoor competition aquatic activity equipment aquarium aqua game play ball splash entertainment splashing performance water polo goals water polo caps treading water eggbeater kick technique teamwork competitive team sport water rugby ncaa olympic games championship womans international clash swimoff malmsten flotation rig mikasa water polo ball dispute sprint swimoff closeup swimoff malmsten mikasa fina womans professional equipment