TB4 (Yángchí, “Yang Pool”) is the Yuan-source point of the Triple Burner Meridian. It is located on the dorsal wrist crease, in the depression between the tendons of extensor digitorum and extensor digiti minimi. It clears heat, activates the channel and alleviates pain.
On the dorsal wrist crease, in the depression between the tendons of extensor digitorum and extensor digiti minimi.
Perpendicular insertion 0.3-0.5 cun. Avoid the tendons.
Clears heat, activates the channel and alleviates pain.
Wrist pain, weakness of the wrist, malaria, deafness, thirst.
As the Yuan-source point of the San Jiao, TB4 is primarily used to regulate the San Jiao's Qi and clear heat, especially from the upper burner. It is a key point for wrist pain, weakness, and immobility, particularly when associated with wind-cold-damp obstruction. It also addresses heat conditions along the San Jiao channel, such as thirst and irritability. A classic pairing is with TB5 for wrist and hand issues.
TB4 is one of 23 points on the Triple Burner Meridian. Nearby points:
TB4 (Yángchí) is located on the dorsal wrist crease, in the depression between the tendons of extensor digitorum and extensor digiti minimi.
TB4 clears heat, activates the channel and alleviates pain. Common clinical indications include wrist pain, weakness of the wrist, malaria, deafness, thirst.
Perpendicular insertion 0.3-0.5 cun. Avoid the tendons.
TB4 is a point on the Triple Burner Meridian (Sān Jiāo).