Fengchi (GB20) — anatomical left
Wind pool — suboccipital press
Fengchi is the paired Gallbladder-channel hollow at the suboccipital margin, pressed with a supported fingertip and relaxed breath. The left-side marker follows the corpus rule x > 0.5 for anatomical left; the front view only approximates a point that is partly posterior.
Point 4 of 16 in Anmo-Tuina Acupressure — self-massage circuit
Cross-tradition overlaps
- Fengchi (GB20) — anatomical left ↔ Temple (anatomical-left) (distance 0.010)
- Fengchi (GB20) — anatomical left ↔ Temple — anatomical left (distance 0.011)
Sources
Huangdi Neijing · Lingshu (primary_canonical)
Lingshu ch. 10 (Jing mai) gives the Gallbladder-channel course that frames left Fengchi (GB20); the modern alphanumeric point identity and this self-massage sequence are later standardizations.
Claude Diolosa, TCM tuina teaching texts (secondary)
WHO Scientific Group, International Standard Acupuncture Nomenclature (secondary)