Water polo is a team water sport that is practiced all over the world. A team consists of 6 field players and one goalkeeper who attempt to score goals by throwing the ball into their opponent's goal. Water polo is typically played in an all-deep pool (usually at least 1.8 m deep or 5.9 feet), and players require stamina and endurance to play the game. Water polo players are especially vulnerable to different injuries because the sport is a combination of swimming and throwing To the most common and serious injuries belong the shoulder instability with a subacromial impingement syndrome – SIS.
