Rolfing
Why the method is here
Rolfing®, called Structural Integration by its founder, is manual bodywork: over roughly ten hour-long sessions a practitioner works on a client's connective tissue in order to realign the body within the gravitational field.
⚠️ Not part of Yiquan. No text by Wang Xiangzhai or Yao Zongxun mentions Rolfing; no contact between the lineages is documented. Everything that follows is convergence, not influence.
Three reasons nonetheless argue for setting it alongside, in descending order of reliability: it is one of the three methods Leos Horky places beside Yiquan. The model of myofascial chains, on which the fascial reading of the outer Sechs Harmonien rests, comes from Ida Rolf (→ Faszien). And it pursues partly the same goal as Zhan Zhuang by inverted means.
The person and the guiding question
Ida Pauline Rolf (1896–1979) was a biochemist — a doctorate from Columbia University, the first woman with a research post at the Rockefeller Foundation. From around 1940 she developed her method outside orthodox medicine, shaped by osteopathy, hatha yoga, the Alexander Technique and the Feldenkrais method.
Her guiding question: under what conditions bodily structure is organised within gravity so that a person functions economically. From this, three assumptions — most people do not stand in line with gravity; in line they function better; the body is plastic enough for this to be changed at any age.
The actual contrast
Both approaches want a body organised economically within gravity. The route is opposite: passive instead of active, ten hours instead of years. In Rolfing someone else works on the tissue; in Zhan Zhuang the practitioner works on themselves, and the result arrives over spans of time no schedule of sessions can represent.
That opposition is exactly what makes the comparison useful. It shows that the aim of standing practice — uprightness without effort, structure instead of exertion — is not an exotic goal but one other traditions pursue by other means.