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Gongsun (SP-4), “Grandfather Grandson”, is the Luo-Connecting point of the Spleen channel and the Confluent point of the Chong Mai (Penetrating Vessel). It strengthens the Spleen, harmonises the middle burner and regulates the Chong Mai for gynaecological and abdominal disorders.
Location
On the medial border of the foot, in the depression distal and inferior to the base of the first metatarsal bone, at the border of the red and white skin.
Anatomy
On abductor hallucis; the medial plantar artery and the dorsal venous network; the saphenous nerve and the medial plantar nerve.
Actions & Functions
- Strengthens the Spleen and harmonises the middle burner
- Regulates the Chong Mai
- Calms the spirit and regulates the Heart and chest
- Resolves dampness
Indications
Abdominal pain and distension, vomiting and diarrhoea, dysentery, gynaecological disorders, cardiac pain and oppression of the chest, and disorders of the Chong Mai.
Needling
0.5-1.0 cun, perpendicular insertion.
Moxibustion Suitability
Suitable for moxibustion.
Point Combinations
With PC-6 (its paired Confluent point) for the Heart, chest and stomach; with REN-12 for epigastric disorders.
Classical Text References
The Luo-Connecting point of the Spleen and Confluent point of the Chong Mai.
Cautions & Contraindications
None specific.
Latest Research
Latest peer-reviewed research on this point will be summarised here, with citations linked to PubMed, via our research integration.