Yuan point of the Bladder.
Location of JingGu
JingGu is located on the lateral side of the foot, in front of and below the tuberosity of the 5th metatarsal.

Therapeutic functions and clinical indications
- Expels Wind (particularly at the opposite end of the meridian: head, eyes);
- Relaxes the tendons and relieves pain (along the pathway; it nourishes the tendons);
- Used for pain with knots that feel like tendons, when the muscles are as hard as tendons;
- Calms the Shen (through its connection with the eyes and the brain; rarely used for this).