BL29

Zhonglushu

Star

中膂俞 (Zhōnglǚshū) — Mid-Spine Shu

Bladder channel · point 29

Location

On the sacrum, 1.5 cun lateral to the midline, level with the third posterior sacral foramen.

Needling

Depth: 0.8–1.2 cun
Angle: Perpendicular

Functions

  • Strengthens the lower back and activates the channel
  • Regulates the intestines

Indications

Lumbosacral pain and stiffnesssciaticadysentery and abdominal painhernia

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