Which point is located in the depression between the medial malleolus and the Achilles tendon, level with the prominence of the medial malleolus?

• A. KD 2
• B. KD 3
• C. KD 4
• D. KD 5

Answer: (B)

Tai Xi, the Kidney 3 point, sits in the depression between the medial malleolus and the Achilles tendon, at the same level as the prominent edge of the medial malleolus. This landmark is a classic description for locating a primary point on the Kidney channel on the inner ankle. Because it’s positioned exactly at that depression, it’s the go-to point for strengthening Kidney energy, supporting the lower back and knees, and stabilizing essence. The nearby Kidney points lie along the medial ankle and foot but each has its own distinct landmark, so this particular depression is what identifies Tai Xi.