Wai Dan Gung exercises go back to the Tang Dynasty (8th/9th century AD). Wai Dan Gung is considered a particularly effective form of Qi Gong, as it mobilizes and distributes the life energy Qi intensively in the body, so that a strengthening, positive effect begins early. This exercise series has a powerful and strengthening effect on all systems of body and mind, all meridians, all internal organs, muscles and tendons.