BL-55 - Yang Union

合阳 - Hé yáng

Point Region: Lower leg

BL

Bladder Meridian

足太阳膀胱经 - Zú Tàiyáng Pángguāng Jīng

Location & How to Find

Anatomical Location: On the back of the lower leg, between the outer and inner heads of the calf muscle (gastrocnemius), 2 cun below the crease behind the knee, on the line from BL-40 to BL-57.

Distances are in cun, a unit that scales with each person's body. As a guide, the width of your thumb at its joint is 1 cun, and your four fingers held together, measured across the middle joints, are 3 cun.

How to Locate:

  1. Find BL-40, at the middle of the crease behind your knee
  2. Measure two thumb-widths down the middle of the calf
  3. The point is there, between the two heads of the calf muscle
BL-55 (Yang Union) acupressure point location: On the back of the lower leg, between the outer and inner heads of the calf muscle (gastrocnemius), 2 cun below the crease behind the knee, on the line from BL-40 to BL-57.

How to Apply Pressure

Using a fingertip, apply gentle, steady pressure on the back of your lower leg, two thumb-widths below the middle of the crease behind your knee, between the two heads of the calf muscle. 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:

  • Lumbar stiffness
  • Reproductive disorders

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