Dadun LR1 : Nomenclature, Location, Function, Indication

Nomenclature:
Da: big Dun: thickness
“Da” refers to the big toe. Dadun is on the lateral aspect of the big toe, where the muscle is thick.
Location:
On the lateral side of the big toe, approximately 0.1 cun from the corner of the nail.
Functions:
- Regulates menstruation (regulates chong and ren channels, clears heat in blood).
- Regulates lower burner (affects flow of qi, urinary bladder problems, prolapse of uterus).
- Returns Yang (loss of consciousness).
Indications of Dadun:
- Dadun is benefitial for reproductive system problems (regulate Qi and blood, regulate LIV).
- Female: irregular menstruation, dysmenorrhea, amenorrhea.
- Male: seminal emission.
- Problems along LIV channel: vertex, throat, chest, hypochondriac, lower abdomen (side), genital, lower extremities.
- Mental problems (calm “shen”): mania, depression, insomnia, dream disturb sleeping, epilepsy.
- Lower burner problems: Hernia, amenorrhea, uterine bleeding, prolapsed uterus, enuresis, difficulty in urination.
Method:
Shallow puncture 0.1 – 0.2 cun.
Prick with a three-edged needle to induce bleeding.
Remarks:
Jing-Well Point
Entry point
Read about other points of Liver Meridian:
LR2-Xingjian-行间 LR3-Taichong-太冲 LR4-Zhongfeng-中封 LR5-Ligou-蠡沟 LR6-Zhongdu-中都 LR7-Xiguan-膝关 LR8-Ququan-曲泉 LR9-Yinbao- 阴包 LR10-Zuwuli-足五里 LR11-Yinlian-阴廉 LR12-Jimai-急脉 LR13-Zhangmen-章门 LR14-Qimen-期门