LOCATION
4 cun above the tip of the external mallelous slightly anterior to the anterior border of the fibula, between extensor digitorum longus and peronaeus brevis.
Features
Jing-river point. Son 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 superficial peroneal nerve and the branches of the anterior tibial artery and vein.
Indication
Migraine，outer canthus pain，armpit pain，Lymphoid tuberculosis，lumbago，chest pain and the lateralis lower limbs，malaria， cervical tuberculosis，lymphadenitis，lymphoid tuberculosis，sciatica，knee arthritis. Moving point for GB channel issues – pain, heat, stagnation along the channel. Fire Point – useful for treating the fever period of Shao Yang stage diseases (alternating fever and chills).
Combinations
Migraine：GB 38 & GB 20 & EX-HN5.
Edema of the axillary a：GB 38 & GB 40 & GB 41.
Edema of the axillary b，saber ulcers：GB 38 & LR 03.
Cold limbs：LR 13 & GB 38 & GB 41 & PC 05 & KI 07.
Hip paralysis：GB 38 & GB 35 & GB 34.
Lateralis lower limbs pain: GB 38 & GB 30 & GB 34.
穴位
在小腿外側，當外踝尖上4寸，腓骨前緣稍前方。
特點
經（火）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
腓淺神經和脛前動、靜脈分支。
適應症
偏頭痛，目外眥痛，腋下痛，瘰癧，腰痛，胸脅及下肢外側痛，瘧疾。現多用於頸淋巴結炎，頸淋巴結核，坐骨神經痛，膝關節炎等。
穴位配伍療法
偏頭痛：1.陽輔 2.風池 3.太陽
腋下腫 a：1.陽輔 2.丘墟 3.足臨泣
腋下腫 b、馬刀瘍：1.陽輔 2.太衝
逆厥：1.章門 2.陽輔 3.足臨泣 4.間使 5.復溜
髀樞膝骨痹不仁：1.陽輔 2.陽交 3.陽陵泉
下肢外側痛: 1.陽輔 2.環跳 3.陽陵泉