Come together, meet. foot greater yang bladder meridian (BL) is divided into two branches on the back and thigh, and they meet at Weizhong (BL40) and go down. The acupoint is at that location, hence the name.

[Location]

Heyang (BL55) acupoint
(quoted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "Two inches below the center of the knee pattern (pattern)",
• Qianjin Yaofang‧ as "three inches" ,
• Zhenjiu Daquan as "One Inch"; now all from Zhenjiu Jiayi Jing.

[Anatomy]

• Muscles: between the two heads of gastrocnemius, metatarsus muscle.
• Nerve: medial sural cutaneous nerve, deep layer is tibial nerve.
• Vessel: small saphenous vein, deep layer is popliteal artery and vein.

[Manipulation]

Perpendicular insertion 1～1.5 inches. moxa cone moxibustion 3 to 5 times, moxa stick warm moxibustion for 5 to 10 minutes.

[Efficacy]

Benefit the waist and legs, regulate the lower jiao, and stop dripping perspiration.

• Classical: lumbar spine pain, severe leg and knee disease, anal and vulvofemoral fever, vaginal pain, Hanre, hernia, metrorrhagia and metrostaxis, abdominal pain, diarrhea, leukorrhea, impotence.
• Modern: Dysfunctional Zigong (EX-CA1) bleeding.

[Recipe]

• Female qi fistula disease blood: Heyang (BL55), Jiaoxin (KI8).