Taegeuk Poomsae are official WTF forms, and there are eight poomse — Taegeuk Il Jang through Taegeuk Pal Jang. Each form signifies a different component of Taegeuk principle, but all of them are designed based on the concept of Uhm and Yang.
Practicing poomse involves performing with proper and appropriate breathing techniques, shifts in speed and control of power. One must also pay attention to mental focus, bodily balance, and each technique performed. To accomplish them all, both internal and external energies need to be properly managed.