( SP-6 Three Yin Intersection SANYINJIAO – ) 3 cun proximal to the highest prominence of the medial malleolus, on the posterior border of the medial crest of the tibia.
How to find
From the highest prominence of the medial malleolus (➞3.6.2), measure 3 cun (1 handbreadth) in a superior direction, where SP-6 is located in a depression at the posterior border of the medial crest of the tibia. This point is often sensitive to pressure.
Sometimes, this depression is located more anteriorly, and locating SP-6 should be based on pressure-sensitivity.
Located in a comparable position is ➞ GB-39 (3 cun proximal to the prominence of the lateral malleolus, on the anterior border of the fibula, intersecting point of the three foot Yang channels).
Caution: Contraindicated during pregnancy, particularly with reducing needle techniques; exception: to promote labour.
● Tonifies the Spleen and the Stomach, eliminates Dampness
● Nourishes the Blood and Yin, regulates menstruation, promotes labour
● Regulates urination, benefits the genitals, harmonises the Lower Burner
● Calms the shen
Meeting point with the Liver and Kidney channels (group luoconnecting point) and the yin qiao mai. Very important point for disorders of the Lower Burner (especially for gynaecological disorders, birth and urinary disorders), as well as for many digestive disorders and psychological disorders (caused by Blood and Yin deficiency).