Australian crawl acrobatics aerobatics aquaplaning aquatics backstroke balneation banking bathe bathing breaststroke butterfly chandelle crabbing crawl deep-sea diving dive dog paddle fancy diving fin fishtail fishtailing flapper flipper floating glide high diving natation nose dive pearl diving plunging power dive pull-up pullout pushdown rolling sideslip sidestroke skin diving sky diving spiral stall stunting surfboarding surfing swim swimming tactical maneuvers treading water volplane wading waterskiing zoom