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T.B.-12
  Location 4 cun proximal to ➞ T.B.-10 (with the elbow flexed in a depression superior to the olecranon) or 5 cun proximal to the olecranon on a line connecting the olecranon and the lateral extremity of the acromion (location of ➞ T.B.-14). How to find First, locate the acromion . When the patient’s arm is in abduction, two depressions will form below the acromion, in the area of origin of the deltoid muscle. ➞ T.B.-14 is located in the posterior depression, below the posterior aspect of the lateral extremity of the acromion. Next, on a line connecting ➞T.B.-14 and the olecranon, measure 4 cun from ➞ T.B.-10 (1 cun proximal to the olecranon, in the depression that forms when the elbow is flexed) in a proximal direction and there locate T.B.-12. Or quick method: Spreading hands technique : Place the little fingers on ➞ T.B.-14 and ➞ T.B.-10 respectively and determine the midpoint of this distance with the thumbs. From the midpoint, measure 1 cun in a distal direction and there locate T.B.-12. For orientation: T.B.-12 is midway between ➞T.B.-11 (1 cun proximal to T.B.-10 or 2 cun proximal to the olecranon) and ➞ T.B.-13 (3 cun distal to ➞ T.B.-14, on the margin of the deltoid muscle). Actions/Indications ● Opens the channel and alleviates pain Special features T.B.-12 represents an area extending from 5–7 cun proximal to the tip of the elbow rather than a discrete acupuncture point. Determine the exact location by tenderness. | |
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