Martial arts was originally developed to be used for combat and protection against potential threats such as bandits. During any combat situation, injury is always a possibility.

In order to reduce injuries and pain, many martial arts practitioners have discovered that using body hardening can reduce the risk of pain and enable you to continue fighting uninhibited. Body hardening, also known as iron body, can increase your resistance to pain and injury.

Check out the above video to learn a great iron leg training technique than can be used to strengthen the legs for combat.