BL-39 - Outside of the Crook

委阳 - Wěi yáng

Point Region: Knee

BL

Bladder Meridian

足太阳膀胱经 - Zú Tàiyáng Pángguāng Jīng

Location & How to Find

Anatomical Location: At the back and outer side of the knee, on the crease behind the knee, just inside the biceps femoris tendon.

How to Locate:

  1. Bend your knee slightly so the tendon on the outer side of the back of the knee stands out
  2. Find the crease behind the knee
  3. The point is on the crease, just inside that tendon
BL-39 (Outside of the Crook) acupressure point location: At the back and outer side of the knee, on the crease behind the knee, just inside the biceps femoris tendon.

How to Apply Pressure

Using a fingertip, apply gentle, steady pressure on the crease behind your knee, just inside the tendon on the outer side of the knee. Firm but never painful pressure is enough; stop if it hurts. Skip this point over irritated or broken skin.

Traditional Indications

In TCM, this point is traditionally used for:

  • Leg spasms
  • Lumbar stiffness
  • Genital pain
  • Urinary difficulty
  • Weakness and numbness

Related Health Concerns

Fatigue

Select a point to see its location, how to find it, and its traditional uses.