Mixed Martial Arts (MMA/UFC), also known as "no-holds-barred" and "ultimate fighting", is the fastest-growing professional sport in the world. Mixed Martial Arts (MMA/UFC) encompasses the most effective combat tactics from multiple disciplines and styles of martial art. Mixed Martial Arts (MMA/UFC) is a complete fighting system. Students develop a variety of skills for striking, grappling, groundwork, submission holds, joint locks, and takedowns, as well as conditioning for speed, strength, endurance, and flexibility. Training incorporates striking and grappling arts: Judo, boxing, kickboxing, and wrestling.