4 Acupuncture Points of the Twelve Primary Channels
Location
3 cun proximal to the highest prominence of the medial malleo-
lus, 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-6is 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 locat-
ing SP-6should be based on pressure-sensitivity.
Located in a comparable position is ➞G.B.-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).
Needling
Vertically or obliquely 1–2 cun. Caution: Contraindicated dur-
ing pregnancy, particularly with reducing needle techniques;
exception: to promote labour.
Actions/Indications
● Tonifies the Spleen and the Stomach, eliminates Dampness
● Nourishes the Blood and Yin, regulates menstruation, pro-
motes labour
● Regulates urination, benefits the genitals, harmonises the
Lower Burner
● Calms the shen
Special features
Meeting point with the Liver and Kidney channels (group luo-
connecting 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).
SP-6 Three Yin Intersection SANYINJIAO
SP-5
SP-1
SP-2 SP-3
SP-4 KID-2
KID-6 KID-5
KID-4
KID-3
SP-6
LIV-4
KID-8
KID-7
3 cun
G.B.-39
Highest prominence
of the medial malleolus
Highest
prominence
of the medial
malleolus
SP-6
3 cun
Posterior
border of
the tibia
Highest prominence
of the medial malleolus
SP-6
KID-8
KID-3
KID-7
(^15) cun
11
12
SP-1
SP-4 KID-2
SP-5
SP-6
Highest
prominence
of the medial
malleolus
13
14
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