Judo is a martial art derived from jujitsu that involves using holds and leverage to throw or immobilize an opponent. It values respect, courtesy, courage, sincerity, honor, modesty, self-control, loyalty, friendship, gratitude, and equality. Judo techniques include throwing, pinning, choking, and arm locks. It has been an Olympic sport since 1964 and is considered a complete sport that improves quality of life through benefits like increased physical fitness, strength, flexibility, endurance, balance, coordination, and self-confidence.