Shānzhōng — chest-breath point
Chest opening
Shānzhōng is included as a chest-breath attention point in the modern circuit. Its location is a front-view projection for gentle self-contact and does not claim a unique physiological mechanism.
Point 4 of 11 in Do-In / Tao-Yin Self-Massage Circuit
Cross-tradition overlaps
Sources
Huangdi Neijing · Suwen (primary_canonical)
Suwen ch. 1 discusses seasonal self-cultivation, movement, and preserving harmony; it supports the historical body-cultivation frame but not this exact point order.
Modern Do-In teaching manuals (secondary)
Secondary practical sources used for contemporary Do-In terminology, self-massage sequencing, and accessible point selection.