# XL15 Huanzhongsha (Ring Middle Within) – Extra Points: Lower limbs

環中啥 · huán zhōng shá

Location: 2 thumb widths above the and 0.5 thumb widths lateral to the midpoint of the line connecting the end of the coccyx and the pertrochantery.

Cautions: No specific contraindications.

Canonical page: https://acuiq.com/points/xl15

## Indications

An indication list is a reference index, not a prescription – see the protocols below for sourced treatments.

Benefit Collaterals, Benefit Collaterals, Damp, Sciatica

---

AcuiQ-authored prose (symptom and meridian descriptions, the wiki, the auricular crosswalk) is licensed CC-BY-4.0: https://creativecommons.org/licenses/by/4.0/. The assembled protocol compilation is not: build on it with attribution, but do not redistribute it whole as a dataset – https://acuiq.com/terms. The underlying findings are the cited sources' claims – each entry carries its citation; verify against the source before relying on it. Not medical advice: https://acuiq.com/terms