Which BL point is located 1.5 cun lateral to the lower border of the spinous process of L1?

Which BL point is located 1.5 cun lateral to the lower border of the spinous process of L1?

• A. BL21
• B. BL22
• C. BL23
• D. BL24

Answer: (B)

Back-Shu points lie 1.5 cun lateral to the spinous process at the vertebral level that corresponds to the organ. The San Jiao back-Shu point is located at the lower border of the spinous process of L1, 1.5 cun to the side, which identifies it as BL-22. So the described location matches the San Jiao Shu point on the Bladder channel.

Back-Shu points lie 1.5 cun lateral to the spinous process at the vertebral level that corresponds to the organ. The San Jiao back-Shu point is located at the lower border of the spinous process of L1, 1.5 cun to the side, which identifies it as BL-22. So the described location matches the San Jiao Shu point on the Bladder channel.