Many of the animal forms of Kung-fu find their roots in the exploration of the early yogis among their spirit friends. Also the art of Kenjutsu is an outgrowth of continued experimentation on this path. One would practice with ones weapon until it became an extension of the masters spirit. Many of the types of training require both physical work and spiritual work. Kata becomes both teaching exercise and Ritual.
Striking exercises become ways to learn to focus the spirit as well as the power of the fist.
Yogi Dojang often become very easy to access from the umbra and to it because of the nature of the of the spiritual work involved. Yogi martial arts tend to be excellent method for fighting spiritual enemies as this was the first use they were put to. Yogi Do practitioners tend to think of combat in 3 and sometimes 4 dimensions as opposed to the usual 2. Spirits attacking from the floor or ceiling rarely find them surprised. Also ritual purification is a natural part of the training and even those who don t go into some sort of priesthood are still capable of performing an exorcism.