Hsing Chen and Chi Arts association instructors emphasize three forms of chi kung (qigong) training. Internal nei gong training based on body connection principles derived from ancient Taoist physical and mental yogas called Dao yin and nei kuan. The second involves Taoist breath training and the third involves chi (qi) sensitivity exercises.

What is "internal energy?"

Meaning of  the terms chi kung / qigong

Chi training (chi kung/ qigong) and chi training offered

More on Taoist physical & mental yogas   The value of breath and chi training for combat purposes 

Taoist breath training