Three Yin Intersection
Sanyinjiao · 三陰交 · ซานยินเจียว
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Location
On the medial crus about 3 cun proximal to the tip of the medial malleolus, against the caudal border of the tibia.
Landmark: Caudo-medial border of the tibia; meeting point of the spleen, liver and kidney channels.
Actions and Indications
Nourishes blood and yin, regulates the urogenital tract, calms the spirit.
Needling
Perpendicular 0.5-1.5 cm.
Cautions
Contraindicated in pregnancy.
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Conditions That Use This Point
Often Used Together With
Bai Hui (lumbosacral) 百會
The principal point for the lower back and hindlimbs; raises yang and relieves pain — the most used point in veterinary acupuncture.
Leg Three Li 足三里
The strongest qi and blood tonic; regulates stomach and intestines and supports immunity.
Kidney Shu 腎俞
Tonifies the kidney and strengthens the bones and lower back — the principal point of the geriatric patient.
Inner Pass 內關
Regulates qi in the chest, stops nausea and vomiting, calms the spirit.
Diaphragm Shu 膈俞
Tonifies and regulates blood — the key blood point of the body.
Bladder Shu 膀胱俞
Regulates the bladder.