Tai Chi Glossary > Internal Martial Arts (内家拳)

Internal Martial Arts (内家拳 / Nei Jia)

Definition: Internal Martial Arts (内家拳, Nei Jia) is the classification for martial arts that prioritize the cultivation of Qi (energy), Yi (intention), and Shen (spirit) over raw physical strength and speed. The three classical internal arts are Taiji Quan (太极拳), Xingyi Quan (形意拳), and Bagua Zhang (八卦掌).

This classification was first articulated by the scholar Huang Zongxi in the 17th century, distinguishing internal methods from external (外家, Wai Jia) approaches like Shaolin Kung Fu. In practice, the distinction is one of emphasis rather than exclusivity — internal arts train external conditioning, and external arts train internal development. The hallmark of internal training is the development of Internal Power (Nei Jin) — coordinated, relaxed, whole-body force.

The Three Internal Arts

• Taiji Quan (太极拳) — the “Supreme Ultimate” fist, emphasizing yielding, neutralization, and the interplay of Yin-Yang
• Xingyi Quan (形意拳) — “Form-Intention” fist, known for linear, aggressive movements rooted in Five Elements theory
• Bagua Zhang (八卦掌) — “Eight Trigrams” palm, characterized by continuous circular walking and palm changes based on Bagua philosophy