Skis

Water skiing (also waterskiing or water-skiing) is a surface water sport. An individual is pulled behind a boat or a cable ski installation over a body of water. Skimming the surface on two skis or one ski. The sport requires sufficient area on a smooth stretch of water, one or two skis, a towboat with a tow rope, two or three people (depending on local boating laws), and a personal flotation device. In addition, the skier must have adequate upper and lower body strength, muscular endurance, and good balance.