Intersecting point of thoroughfare vessel and foot shaoyin.

bubble_chart Etymology

"Si" (四), four;"man" (滿), fullness or abundance. The point is located in lower abdomen, where the abdominal region is full and prominent, and it is the fourth point of foot shaoyin kidney meridian after entering abdomen.

bubble_chart Location

Siman (KI14) acupoint
(adapted from "Meridians and Acupoints")

In lower abdomen, 2 cun below umbilicus (Shimen (CV5)) and 0.5 cun lateral to the midline.

• Zhenjiu Jiayi Jing: "One cun below Zhongzhu (KI15)";
• Qianjin Yaofang: "On both sides of Dantian (CV5)... Dantian is located 2 cun below umbilicus".

bubble_chart Anatomy

• Muscles: aponeurosis of internal and external oblique muscles, aponeurosis of transversus abdominis muscle, and rectus abdominis muscle. (deep layer: small intestine).
• Nerve: eleventh intercostal nerve.
• Vessels: muscular branches of inferior epigastric artery and vein.

bubble_chart Manipulation

Perpendicular insertion 0.5～1.5 cun. Moxibustion with moxa cone 3 to 5 times, moxibustion with moxa stick for 10 to 15 minutes.

bubble_chart Efficacy

Regulate menstruation, disinhibit water, relieve distension and fullness.

• Classical: accumulation below umbilicus, running-piglet up and down, hernia and abdominal masses, large abdomen, stony edema, dysentery, irregular menstruation, stagnant blood in uterus, seminal emission, incontinence of urine, abdominal distension, abdominal pain, pain in both flanks.
• Modern: cystitis , prostatitis.

bubble_chart Combinations

• Large abdomen with stony edema: Siman (KI14), Rangu (KI2).
• Stagnant blood in uterus with internal distension and pain: Siman (KI14), Shimen (CV5).
• Hernia and abdominal masses: Zhongji (CV3), Siman (KI14).