SP6三阴交Sanyinjiao
Three Yin Intersection
سانیینجیائوSan Yin Jiao · سان یین جیائوfree
Location
On the tibial aspect of the leg, posterior to the medial border of the tibia, 3 B-cun superior to the prominence of the medial malleolus.
How to find it
Four finger-breadths above the medial malleolus, just posterior to the tibia.
Functions
Tonifies the Spleen and resolves damp, harmonises the Liver and tonifies the Kidneys, regulates menstruation, calms the spirit.
Indications
Menstrual and gynaecological disorders, insomnia, urinary and digestive disorders, leg pain.
Dysmenorrhoea
Insomnia
Contraindications & precautions
Critical Contraindicated in pregnancy (strong stimulation may induce labour).
Technique
Perpendicular 1–1.5 cun.
Related points · The same point in other schools
Corresponding PC6 Inner Pass — In the Tan method PC (hand jueyin) balances SP (foot taiyin) via system 2; wrist ↔ ankle.
Protocols using this point
Sources of this point
- A Manual of Acupuncture — Peter Deadman, Mazin Al-Khafaji, Kevin Baker (2007) S3
- Acupuncture for dysmenorrhoea — Smith CA, Armour M, Zhu X, et al. (2016) S4
- WHO Standard Acupuncture Point Locations in the Western Pacific Region — World Health Organization (2008) S1