Mocabu 摩擦步

Why walking deserves its own stage

Mocabu is the footwork of Yiquan: the stage that carries the force built in Zhan Zhuang and set in motion in Shili over into locomotion. That this warrants a stage of its own is argued in a sentence by Yao Zongxun:

“If the hands arrive but the steps do not, that is not skill. When hands and steps arrive together, fighting is as easy as joking.”

Where the name comes from

The soles almost rub along the ground as you walk — hence “friction step”. The image behind it: the feet move as though through mud or thick syrup, meeting constant resistance. It is the same figure of thought as the water in Shili: an imagined medium that slows the movement and thereby makes it testable.

Weight begins at 50/50 and shifts slowly onto the front foot as you move forward, to about seventy percent. The front foot glides roughly a centimetre above the ground without touching it — so the “friction” of the name is imagined, not literal; the toes land first, the heel stays “empty”. Other instructions give one to two centimetres and let the weight return, after landing, to three parts in front and seven behind — as in Dingba Bu. All the principles of standing — Entspannung, Atmung, Yi — remain active throughout.

Why the feet come first

Footwork is justified by distance. Retreat too little before a kick and you are hit; retreat too far and you escape the attack but lose time and space for the counter. The right distance is the one at which the attack just fails to reach — the same measure as in the Halbschritt. That is why every movement of attack and defence begins with the feet. The saying for it: 手是两扇门，全凭脚打人 — “the hands are two door-wings; it is the feet that strike”.

Mocabu counts as the Shili of the legs: by gliding slowly forward, back and sideways one comes to feel the force running from the sole through calf and thigh up to the hip. Its standing counterpart is the one-leg stance Du Li Zhuang.

The path of the foot

A thread above the knee draws the leg lightly upward; the foot comes free as if from thick mud, glides past the inside of the standing foot, about one foot-length beyond its tip, and then turns diagonally forward and outward into the stance. The standing leg pushes it from behind, the toes “scout the way”. It is set down as if onto something fragile. The resistance may be increased over time — but only in the imagination, never with muscular force.

An instruction easily skimmed over

Direction follows the nose, not the front foot. Follow the foot and you twist against your own alignment; follow the nose and you stay directed as a whole. A small note with large consequences for structure.

Three developmental stages

• Ding Bu Mocabu — the step in place, without travel: the mechanics first, the journey after.
• Zoubu — the Shili exercises combined with stepping. Hands and step begin together; that coincidence is the actual content of the lesson.
• Dabu Lianxi, the Großschritt — twice as long as the normal stance, the rear leg suddenly issuing force. The bodily feeling: as if you collided with something and hurled it away. With this the bridge to Fa Li with stepping is built.