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This point, according to Henry McCann, is 1 cun horizontally posterior to Jianyu (LI 15), which is anterior and inferior to the acromion in a depression found when the arm abducted. This point is closer to the TH channel. However, according to James Maher, this point is located at the midpoint of Jianfeng (T 44.31)* and Shangqu (T 44.16). [Jianfeng (T 44.31)* is located 0.5 cun inferior to Jianyu (LI 15). Shangqu (T 44.16) is located on the lateral aspect of the upper arm, 1 cun posterior to the center of the deltoid muscle.]
Needle 0.3 - 0.5 cun.