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BL40

Middle of the Crook

委中 · Wěi Zhōng

Bladder Meridian

Location (取穴)

At the exact center of the back of the knee (popliteal crease), between the two tendons.

Technique (手法)

Press gently with the thumbs while the leg is slightly bent. Apply moderate pressure for 1-2 minutes. Avoid excessive force.

Benefits

  • Relieves lower back pain
  • Eases knee problems
  • Clears summer heat

Conditions Treated

low back painknee painsciaticaleg crampsheat strokestiffness

Cautions

Use moderate pressure only — blood vessels and nerves are close to the surface here. Avoid in varicose veins in this area.