¹ Source: wiktionary.com
Medical Definition of Martial arts
1. Activities in which participants learn self-defense mainly through the use of hand-to-hand combat. Judo involves throwing an opponent to the ground while karate (which includes kung fu and tae kwon do) involves kicking and punching an opponent. T'ai chi is also a form of meditative exercise through methodically slow circular stretching movements and positions of body balance. (12 Dec 1998)