BL22

Sanjiaoshu

Star

三焦俞 (Sānjiāoshū) — Triple Energiser Shu

Bladder channel · point 22

Back-Shu point of the Triple Energiser

Location

On the lower back, 1.5 cun lateral to the lower border of the spinous process of L1.

Needling

Depth: 0.5–1.0 cun
Angle: Perpendicular or slightly oblique

Functions

  • Regulates the water passages and reduces oedema
  • Harmonises the middle and lower burners
  • Strengthens the lower back

Indications

Oedema and difficult urinationabdominal distension and borborygmusvomiting and diarrhoealumbar pain and stiffness

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