Martial arts have been around for centuries, yet they are just as popular today as ever. The various techniques which are part of aikido, karate, and tae kwon do can prove to be extremely valuable self-defense skills. Practicing martial arts is also an excellent way to stay in good physical condition. In the mood for a fast-paced workout? Kickboxing or Tae Bo may be just your thing. Tai chi, on the other hand, is known for having calming and even healing qualities. Whichever type of martial art you choose to learn, it can help you become a more disciplined and self-confident person.