27/04/2026
Differences between Yi Quan, I Ken, and Tai Ki Ken
1) Yi Quan (意拳) – The original Chinese system – Created by Wang Xiangzhai.
– Based on zhanzhuang, shi li, mocabu, fali, tuishou, and sanshou.
– An internal, scientific approach, without codified forms.
– Objective: to develop intention, structure, internal strength, and natural reactivity.
—2) I Ken / I Chuan / I Quan
– Just another name for Yi Quan
– This is the Japanese transliteration of Yi Quan. – It is not a different style: it refers to the same system as Wang Xiangzhai.
– In Japan, however, a peculiar situation developed, because I Ken was taught by Chinese masters to Japanese practitioners already immersed in budo.
—🇯🇵 The two Japanese streams of I Ken
A) Yi Quan taught by Master Sun Li (known in Japan as Son Ri), who transmitted Yi Quan very faithfully to the Chinese original.
– However, his teaching method in Japan was strongly influenced by Kyokushin Karate.
– Result:
– more "martial" and linear class structure, – emphasis on posture, rooting, and fali,
– adaptation to the Japanese dojo mentality,
– greater focus on combat compared to the more "healthy" Chinese schools.
It is the "purer" stream, but with a Kyokushin-style influence in its teaching.
– B) I Ken taught by Son Ri within schools that already practiced Tai Ki Ken
– Some Japanese dojos that already practiced Tai Ki Ken invited Son Ri to integrate Yi Quan.
– In these contexts, I Ken was fused with the Tai Ki Ken methodology.
– Result:
– The emergence of original exercises, not found in either Chinese Yi Quan or classical Tai Ki Ken,
– Greater dynamism,
– Work on movement, circular strikes, and sensitivity,
– A hybrid system, highly practical and combat-oriented.
This current is the most "creative" and represents a Japanese synthesis of Yi Quan and Tai Ki Ken.
–3) Tai Ki Ken (大気拳) – The Japanese adaptation – Created by Kenichi Sawai, after studying with Yao Zongxun (a direct student of Wang Xiangzhai).
– Sawai did not receive the entire internal curriculum of Yi Quan, so he supplemented it with: – Japanese budo concepts,
– Work on the tanden,
– Principles of judo, kendo, and karate.
– Result:
– A very combat-oriented style, – Circular movements, mobile guard, explosive strikes,
– Unique exercises (such as dynamic tanren and signature steps).
Osu
Andrea Stoppa Shihan
