Dahn yoga (also known as Dahn Hak or Dahnhak) is a Korean yoga system founed by Ilchi Lee. In Korean, dahn means "primal, vital energy," and hak means "study of a particular theory or philosophy." Dahn teachings are said to place equal emphasis on physical, emotional, and spiritual well-being. News sources have described its exercises as "a blend of yoga, tai chi, and martial arts exercises."