The cave is located on the outside of the Yinshi (ST33) point and is mainly used to treat wind diseases of the lower limbs, hence its name. The acupuncture point can be placed upright or with the hand hanging down, so it is also called "hanging hand".

[Location]

Fengshi acupoint
(quoted from "Meridians and Acupoints")

• Zhouzhou Beiji Fang: "Outside the two thighs, you can lean flat on your hands and cover the upper part of the thighs, with the big tendons of the middle fingers on them. It feels good to twist them."
• acupuncture and moxibustion Jade Dragon Sutra: "Seven inches above the outside of the knee, there is a point where the middle finger hangs down."

[Anatomy]

• Muscles: Under the membrane of the tendon lata, in the lateral thigh.
• Nerve: lateral femoral cutaneous nerve, muscular branch of femoral nerve.
• Vessels: Muscular branches of the lateral circumflex femoral artery and vein.

[Manipulation]

Perpendicular insertion 1 to 2 inches. moxa cone moxibustion 3 to 5 times, moxa stick warm moxibustion for 10 to 15 minutes.

[Efficacy]

dispelling wind is wet and sharp on the legs and feet.

• Classical: migratory impediment pain, hemiplegia, athlete's foot, soreness in the waist and legs, contracture pain in both knees, numbness in the shins, weakness in the feet and knees, bedwetting, and itching all over the body.
• Modern: sciatica, lateral femoral cutaneous neuralgia, lower limb paralysis, urticaria measles.

[Recipe]

• Weakness of legs and feet: Fengshi (GB31), Yinshi (ST33).
• lumbago: Fengshi (GB31), Weizhong (BL40), Xingjian (LR2).
• Bi: Fengshi (GB31), Kunlun (BL60).
• 尿measles: Fengshi (GB31), Quchi (LI11), Waiguan (TE5), Dazhui (GV14), Xuehai (SP10), Zusanli (ST36), Sanyinjiao (SP6).