English Name:
Passing Valley
Naming Convention:
“Tong” means to pass or go through. “Gu”, meaning a valley, refers to a depression. It is the Ying-spring point of the Urinary Bladder Meridian of Foot-Taiyang, so the qi of the meridian passes quickly through it. Hence the name Zutonggu (Passing Valley).
Location:
In the depression anteroinferior to the 5th metatarsophalangeal joint, at the junction of the white and red skin.
Clinical Applications:
- Headache.
- Neck rigidity.
- Blurring of vision.