# POS03 Erbeixiazhihougou (Groove of Leg Posterior) – Auricular Points

耳背下肢後溝 · ěr bèi xià zhī hòu gōu

Location: At the Superior Crus of the Antihelix, depression in the posterior surface of the auricle

Cautions: No specific contraindications.

Canonical page: https://acuiq.com/points/pos03

## Indications

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

Back Pain, Leg Pain, Sciatic Pain

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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