San Jiao 4 Location
- San Jiao 4 is located distal to the transverse crease of the dorsal surface of the wrist, at the level of the wrist joint, in the hollow proximal to the 3rd and 4th metacarpal bones, between the tendons of the extensor communis and extensor digitorium minimi.
San Jiao 4 Needling
- To needle San Jiao 4, use an oblique or perpendicular insertion to a maximum depth of 0.5 cun.
San Jiao 4 TCM Theory
San Jiao 4 is the Yuan source point for the San Jiao channel.
The Yuan Source points are where Yuan Qi for that organ pools and can be used to balance the organ and the channel.
The main actions of San Jiao 4 are:
- As the Yuan source point of the San Jiao channel it regulates the San Jiao and the San Jiao channel.
- As a local point to move the channel in cases of hand or wrist pain.