Kaikei (KI3 region) — ankle tsubo
Medial ankle pressure area
Kaikei marks the medial ankle region used in the lower-limb pressure sequence. It is projected at the visible ankle edge and does not claim that a posterior kidney-channel course is visible in front view.
Point 12 of 13 in Shiatsu Tsubo Point Map
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Tokujiro Namikoshi, Shiatsu: The Complete Guide (primary)
Primary modern source for Namikoshi shiatsu principles, pressure technique, and practical bodywork sequencing.
Huangdi Neijing · Lingshu (primary_canonical)
Chs. 10–13 carry the classical courses of the primary channels that are used here only as a cross-reference for tsubo names, not as a claim that shiatsu and acupuncture are identical systems.