Which point is known as the Command point for the back?

The point known as the Command point for the back is indeed BL-40, also referred to as "Weizhong." This point is located in the popliteal fossa, or the back of the knee, and is associated with the bladder meridian. It is recognized in acupuncture as a significant point for treating back pain and disorders related to the lower back.

In traditional Chinese medicine, Command points are especially beneficial for treating conditions related to the area they govern. BL-40 specifically is very effective for alleviating lower back pain, stiff neck, and resolving issues that stem from the back area due to its strategic location along the bladder channel. This makes BL-40 a focal point for practitioners treating patients with lumbar discomfort or other related ailments.

The other points mentioned do hold importance in different contexts, but they do not serve the specific role of the Command point for the back. For example, BL-52 pertains to the kidney system and helps with reproductive issues and lower back pain but is not the primary point for command over the back. Similarly, BL-41 and BL-60 have their own applications in treating various conditions, but they lack the designation or the clinical significance that BL-40 has in relation to the back region.