How to find
This point is best located with the patient’s knee slightly flexed. Locate the centre of the popliteal crease (a pulse may be palpable) and there locate BL-40.Located on the same level are BL 39 (Outside of the Crook) (1 cun laterally), KI 10 (Yin Valley) (more medially, between the tendons of the semimembranosus and semitendinosus muscles) and LR 08 (Spring at the Crook) (more medially, anterior to the tendons of the semimembranosus and semitendinosus muscles).
Location
In the centre of the popliteal crease, between the tendons of the biceps femoris and semitendinosus muscles.
Actions
- Clears (summer) Heat, stops vomiting and diarrhoea
- Cools the Blood
- Benefits the lower back and knees, opens the channel and luo vessels, alleviates pain
Features
He-sea point, Earth point, lower he-sea point of the Bladder, Ma Dan Yang Heavenly Star point, Gao Wu command point of the lumbar region. Important distal point for the lower back, point with a wide range of indications.
