LOCATION
On the transverse crease of the dorsum of the wrist, in the depression on the ulnar side of the tendon of m.extensor digitorum communis.
Features
Yuan-Souce Point
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The dorsal branch of the ulnar nerve, the end branch of the dorsal cutaneous nerve of the forearm and the dorsal carpal vein network, and the dorsal carpal artery.
Indication
Deafness，red eye pain and swelling，acute pharyngitis；wrist injury，eorearm and elbow pain，neck and shoulder pain；epidemic cold，rheumatology，diabetes. Dorsal wrist issues such as strains, sprains or subluxations. Wasting & thirsting disorder, regulates water metabolism, alleviates dry mouth a/or thirst. Moxa to tonify the Yang of the body.
Combinations
Forearm muscle spasm or paralysis：TE 04 & TE 05 & LI 11.
Swelling and sore throat：TE 04 & LU 11 & CV 23.
Carpal carbuncle：LI 05 & TE 04 & SI 05 & TE 05.
Arm spasm：LI 11 & LU 05 & TE 04 & LI 04.
Urticaria：TE 04 & LR 02. (wiping ginger)
Diabetes：TE 04 & BL 20 & KI 03.
Shock ， sudden death：BL 15 & TE 04.
穴位
在腕背橫紋中，當指伸肌腱的尺側緣凹陷處。
特點
原穴。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
尺神經手背支，前臂背側皮神經末支和腕背靜脈網，腕背動脈。
適應症
耳聾、目紅腫痛，喉痺；手腕部損傷，前臂及肘部疼痛，頸肩部疼痛；流行性感冒，風濕病，糖尿病等。
穴位配伍療法
前臂肌痙攣或麻痺：1.陽池 2.外關 3.曲池
咽喉腫痛：1.陽池 2.少商 3.廉泉
腕痛：1.陽溪 2.陽池 3.陽谷 4.外關
手臂枸攣、兩手筋緊不開：1.曲池 2.尺澤 3.陽池 4.合谷。
蕁麻疹：1.陽池 2.行間 (均隔薑灸)
糖尿病：1.陽池 2.脾俞 3.太谿
休克暴死：1.心俞 2.陽池。