ST42 (Chongyang, “Rushing Yang”) is the Yuan-source point of the Stomach Meridian. It is located on the dorsum of the foot, at the highest point of the instep, between the tendons of extensor hallucis longus and extensor digitorum longus, where the dorsalis pedis artery pulsates. It clears Stomach fire and alleviates pain.
On the dorsum of the foot, at the highest point of the instep, between the tendons of extensor hallucis longus and extensor digitorum longus, where the dorsalis pedis artery pulsates.
Perpendicular insertion 0.3-0.5 cun. Avoid the dorsalis pedis artery.
Clears Stomach fire and alleviates pain.
Facial paralysis, toothache, swelling of the foot, gastric pain.
As the Yuan-source point of the Stomach, ST42 is crucial for assessing and treating the fundamental Qi of the Stomach. It is particularly effective for clearing Stomach fire and heat, addressing symptoms like toothache, facial pain, and swelling. Its pulse palpation is a classical diagnostic method for Stomach Qi and blood. It is empirically used for facial paralysis.
ST42 is one of 45 points on the Stomach Meridian. Nearby points:
ST42 (Chongyang) is located on the dorsum of the foot, at the highest point of the instep, between the tendons of extensor hallucis longus and extensor digitorum longus, where the dorsalis pedis artery pulsates.
ST42 clears Stomach fire and alleviates pain. Common clinical indications include facial paralysis, toothache, swelling of the foot, gastric pain.
Perpendicular insertion 0.3-0.5 cun. Avoid the dorsalis pedis artery. Caution: ⚠ Major vessel/nerve nearby — palpate first; avoid deep insertion (near the pedis artery).
ST42 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).