Qiu Xu (GB40)
📍 Location
In the ankle region, in the depression anteroinferior to the lateral malleolus, lateral to the extensor digitorum longus tendon.
🏥 Indications
Yuan-source point of the gallbladder: swollen painful lateral ankle, ankle sprain, chest/rib pain, red painful eyes, neck pain, cholecystitis, and weak/painful leg.
🖐️ Stimulation method
Perpendicular insertion 0.5–0.8 cun, angled slightly toward the ankle.
⚠️ Contraindications
No special contraindications; commonly used for ankle sprain.