Xiagao (T 22.22)*

The Master Tung Acupuncture point, T 22.22 Xiagao, is on the palmar aspect of the hand, along the HT channel between the 4th and 5th metacarpal bones, 0.5 cun proximal to Shanggao (T 22.21)*, along the edge of the 5th metacarpal. To determine where to needle, palpate for the strongest ah shi sensation in this area of the palm.