Meridian (fire) point.

[Origin]

The back of the wrist is "Yang"; the depression is "Xi". Acupoint is located in the depression between the two tendons on the yang side of the back of the wrist, hence the name.

[Location]

Shenmen, Daling, Taiyuan, Yangchi, Yangxiacupoint cross section
(quoted from "Yan Zhenguo acupoint anatomy")

Yangxi acupoint
(quoted from "Meridians and Acupoints")

On the radial side of the dorsum of the wrist, in the depression between the extensor pollicis brevis tendon and the extensor pollicis longus tendon, when the thumb is upturned, when the snuff In the nest.

• Lingshu‧Benshu: "In the middle of the person who is trapped between the two tendons";
• Zhenjiu Jiayi Jing: "On the upper side of the wrist "Between the two sides is the center";
• Xunjing Kaoxue Bian: "Combined with Taiyuan (LU9), directly facing the section of the index finger, with an artery at the tip of the bone "
• Zhenjiu Fengyuan: "Open the big finger and take it with the second finger."

[Anatomy]

• Muscles: the extensor pollicis longus tendon on the dorsal side and the extensor pollicis brevis tendon on the volar side. The deep dorsal part is the extensor carpi radialis longus tendon. The deepest layer is the navicular bone.
• Nerve: superficial branch of radial nerve.
• Blood vessels: There is a cephalic vein in the subcutaneous tissue. The deep palmar part is the main trunk of the radial artery and its dorsal wrist branch.

[Manipulation]

Make a shallow puncture of 0.3 to 0.4 inches, being careful not to injure the artery.

[Efficacy]

dispelling wind.

• Classical: headache, red eye pain, blindness, deafness, tinnitus, pharyngitis, wrist pain, toothache, inability to raise elbows and arms, heat in the palms, pain in the tongue, convulsions, false talk, vexation, cough and vomiting .
• Modern: dental neuralgia, indigestion in children, stenosing tenosynovitis of the radial styloid process.

[Recipe]

• Full of breath: Tianrong (SI17), Yangxi (LI5).
• severe palpitation: Jiexi (ST41), Yangjiao (GB35).