Xing Yi Quan
Qi is a didactic concept in many Chinese, Vietnamese, Korean and Japanese martial arts. Martial qigong is a feature of both internal and external training systems in China and other East Asian cultures. The most notable of the qi-focused "internal" force (jin) martial arts are Baguazhang, Xing Yi Quan, T'ai Chi Ch'uan, Southern Praying Mantis, Snake Kung Fu, Southern Dragon Kung Fu, Aikido, Kendo, Hapkido, Aikijujutsu, Luohan Quan, and Liu He Ba Fa.