One of eight meeting points: marrow meeting.

[Origin]

Hang, hang. Zhong is the heel, which refers to the heel. Shiming‧Shape: "The back of the foot is called the heel...also called the heel. The heel is the bell. The bell is the gathering. The point of the body is the gathering." The point is on it, and the heel hangs down. Below. Hence the name. The point is near the fold point of the lower 1/4 of the fibula. Because the upper 3/4 of the fibula is covered by the peroneus longus muscle, the bone is cut off here, so it is also called the "Jue Bone".

[Location]

Fuliu, Xunzhongacupoint cross section
(quoted from "Yan Zhenguo acupoint anatomy")

Xuanzhong acupoint
(quoted from "Meridians and Acupoints")

The lateral part of the calf, three inches above Waihuaijian (EX-LE9), the front edge of the fibula is depressed at. Or it is located in the depression between the posterior edge of the fibula and the peroneus longus and brevis muscles.

• Zhenjiu Jiayi Jing: "In the artery three inches above the lateral malleolus of the foot, foot Sanyangluo (TE8), press the Yangming pulse Just take it."
• Zhenjiu Dacheng: "Those who are looking for sharp bones are here."
• Xunjing Kaoxue Bian: "You have to figure it out carefully Jue Bone is sharp, the first three inches and about an inch higher is Yangfu (GB38), and the gap between the tendons and bones between the tips is Xuanzhong (GB39) ), versus Sanyinjiao (SP6)"

[Anatomy]

• Muscles: bifurcation of peroneus brevis and extensor digitorum longus.
• Nerve: Superficial peroneal nerve.
• Vessels: branches of the anterior tibial artery and vein.

[Manipulation]

Perpendicular insertion 0.5~1 inch. moxa cone moxibustion 3 to 5 times, moxa stick warm moxibustion for 10 to 15 minutes.

[Efficacy]

It relieves gallbladder fire, clears marrow heat, and relaxes tendons and meridians.

• Classical: abdominal distension and fullness, heat in the stomach, no craving for food, Rebing inability to sweat, stranguria, pharyngitis, pain in the spine, aching joints, wind and body weight , apoplexy, paralysis of the hands and feet, strong neck, and athlete's foot.
• Modern: Laozhen, Migraine, Lymphatic Jiehexue, Varus foot.

[Recipe]

• It is difficult to walk with slow feet: Tiaokou (ST38), Jue Gu, Chongyang (ST42).
• Weak legs: Zusanli (ST36), Jue Gu, Shenmai (BL62), Gongsun (SP4).
• Athlete's foot: Jue Gu, Sanli, Yinjiao (CV7).
• Heart abdominal distension and fullness: Jue Gu, Neiting (ST44).
• migraine: Fengchi (GB20), Xuanzhong (GB39), Xiaxi (GB43).
• apoplexy Hemiplegia: Shenshu (BL23), Huantiao (GB30), Fengshi (GB31), Weizhong (BL40), Xuanzhong (GB39), Zusanli (ST36).
• Laozhen: Tianzhu (BL10), Houxi (SI3), Xuanzhong (GB39).