Location
On the medial aspect of the upper arm, 3 cun distal to the end of the anterior axillary fold, in the groove on the lateral border of biceps brachii.
How to find
Ask the patient to flex the biceps muscle against resistance. Locate LU-3 3 cun below the anterior end of the axillary fold (➞ 2.2) in a groove on the lateral border of the biceps brachii. Sometimes, you can feel the pulse of the brachial artery here.
Or: Divide the distance of 9 cun (➞ 2.2) between the end of the axillary fold and the cubital crease (➞ LU-5) into thirds and locate LU-3 a third of the distance from the axillary fold. ➞ LU-4 is located in the sulcus, 1 cun distal to LU-3. ➞ P-2 is located 2 cun below the axillary fold, between the two heads of the biceps brachii muscle.
Needling
Vertically 0.5–1 cun. Moxibustion is contraindicated according to some classics.
Actions/Indications
● Regulates and descends the Lung Qi
● Clears Lung Heat
● Cools the Blood and stops bleeding
● Calms the po (corporeal soul)
● Opens the channel and alleviates pain
Special features
The window of Heaven point