Wrestling is a combat sport involving grappling type techniques such as clinch fighting, throws and takedowns, joint locks, pins and other grappling holds. A wrestling bout is a physical competition, between two competitors who attempt to gain and maintain a superior position. There are a wide range of styles with varying rules that strictly forbid the athletes from using techniqes that may be dangerous for the opponent. The important aspects of wresting are force, speed and cleverness of the athlete. Wrestling is a weight training, that is why it is easy to strain the ankle joint, dislocate a finger, damage knee ligaments or overstretch the spain.