Yuan-source point.

bubble_chart Etymology

The back of wrist belongs to "Yang" (陽), and the shallow depression is referred to as "chi" (池). The acupoint is located in the depression on dorsal side of wrist, hence its name.

bubble_chart Location

Yangchi (TE4) point
(quoted from "Meridians and Acupoints")

On transverse crease of dorsal wrist, in the depression on ulnar side of extensor digitorum tendon.

• Lingshu‧Benshu: "In the depression on wrist";
• Xunjing Kaoxue Bian: "Directly below finger joints, at the center of dorsal wrist between two tendons" That is, in the depression between extensor digitorum tendon and extensor digiti minimi tendon on dorsal wrist.

bubble_chart Anatomy

• Muscles: extensor digitorum tendon on radial side, extensor digiti minimi tendon on ulnar side.
• Nerves: terminal branch of dorsal antebrachial cutaneous nerve, dorsal branch of ulnar nerve, superficial branch of radial nerve.
• Vessels: subcutaneously, dorsal venous network of wrist and dorsal carpal artery.

bubble_chart Manipulation

Perpendicular insertion 0.3～0.5 cun. moxibustion with moxa sticks for 5 to 15 minutes.

bubble_chart Efficacy

Adjust primordial qi of triple energizer .

• Classical: headache, malaria, red eyes, deafness, tinnitus, pharyngitis, consumptive thirst, dry mouth, irritability, neck pain, shoulder pain with inability to lift, wrist pain and weakness, spasm and tightness of arm, stiffness of hands.
• Modern: common cold, tonsillitis, urticaria, dorsal wrist ganglion cyst.

bubble_chart Combinations

• Sudden collapse: Xinshu (BL15), Yangchi (TE4).
• Arm spasm and stiffness of hands: Quchi (LI11), Chize (LU5), Yangchi (TE4), Hegu (LI4).
• Urticaria: Yangchi (TE4), Xingjian (LR2) (even ginger moxibustion).
• Wrist pain: Yangxi (LI5), Yangchi (TE4), Yanggu (SI5), Waiguan (TE5).