Handball involves hitting a ball with the hand and requires a team of 14 members. Kitesurfing is a sliding sport that uses a traction kite. Aerobics is a type of aerobic sport performed to music that focuses on flexibility, coordination, rhythm, and direction. Gymnastics choreography can include dance, mime, and theater. Ballet is considered one of the performing arts. Tennis is played between two or more players on a court separated by a net, with the goal of passing the ball over the net to the opponent's side.