ST-41 Jiexi (解谿) — Ravine Divide

On the dorsum of the ankle, at the level of the prominence of the lateral malleolus, in the depression between the tendons of the extensor hallucis longus and the extensor digitorum longus.

Supine or seated, locate the point on the transverse crease of the ankle joint, between the tendons of the extensor hallucis longus and the extensor digitorum longus muscles, at the level of the lateral malleolus.

Ankle joint capsule, cruciate crural ligament. Innervated by the superficial and deep fibular nerves. Branches of the anterior tibial artery.

Perpendicular insertion 0.5–1.0 cun.

Jie (解), space in the joint; Xi (溪), stream, depression. Xi refers to a small depression between the tendons, like a brook. The point lies in the anterior depression of the ankle joint.