Acupoint · SP4
Grandfather Grandson SP4
gong sun
Location
On the medial border of the foot, antero-inferior to the base of the first metatarsal.
Point-taking cue
Grandfather Grandson: below and in front of the first metatarsal base — the luo point that is also a confluent point.
Meridian
Spleen Meridian · Foot · Earth
Point categories
Luo-connecting point, Eight Vessel Confluent point
Indications
Stomach pain, vomiting, irregular menstruation
Self-care
Gently knead the point with a fingertip for 2–3 min until mild soreness
Related points
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