UB-33 Zhongliao - Middle Sacral Bone

English:	Middle Crevice
Also Known As:	Central Crevice

Location

• Over the third posterior sacral foramen.
• On the sacrum, medial and inferior to UB-32 Ciliao, just at the third posterior sacral foramen.

Needling

• Perpendicular insertion 0.5 to 1 cun, or 1.5 to 2 cun through the foramen.
• Straight insertion 1 to 2 cun. Sensation: distention and soreness in the sacral region, sometimes extending to the legs.
  Note: when locating the foramen, the fingers can be used to find the hole into which the needle is inserted. If the foramen cannot be found, withdraw the needle slightly and try a different angle.
• Located within the eight sacral foramina.
• Puncture perpendicularly, 0.8 to 1.2 cun.
• Moxibustion is applicable.

Command Functions

• Meeting point of the Gall Bladder channel

Actions

• Regulates the Lower Jiao
• Facilitates urination and defecation
• Regulates menstruation
• Stops leukorrhea
• Benefits the lumbar region and legs
• Nourishes the Kidneys

Indications

Difficult urination and defecation Constipation Diarrhea containing undigested food Retention of urine Painful urinary dysfunction Abdominal distention The five taxations The seven injuries The six extremes Sciatica Peritonitis Paralysis of the lower limb Impotence Dysmenorrhea Ovarian pain or inflammation Spermatorrhea Difficult urination due to infection Skin irritation in the genital region Uterovaginal inflammation Diarrhea Morbid leukorrhea

Prostatitis Leukorrhea Irregular menstruation Scanty menstruation Infertility Lumbar pain Pain and Cold of the sacrum and coccyx Cold sensation of the buttocks Wei and Bi syndromes of the lower limbs Lumbosacral joint diseases Inducing labor Orchitis Sequelae of infantile paralysis Lower back and foot numbness Pain and stiffness of the lower back and sacrum Anal fissures Hemorrhoids Uterovaginal prolapse Difficult or delayed labor Dysuria

Combinations

REN-5 Shimen UB-57 Chengshan LIV-3 Taichong REN-12 Zhongwan KI-3 Taixi KI-4 Dazhong UB-56 Chengjin	UB-39 Weiyang UB-52 Zhishi	UB-31 Shangliao UB-32 Ciliao UB-34 Xialiao SP-6 Sanyinjiao REN-4 joined to REN-3 Guanyuan joined to Zhongji
Difficulty defecating	Dribbling urination	Dysmenorrhea
UB-31 Shangliao UB-32 Ciliao UB-34 Xialiao ST-36 Zusanli SP-6 Sanyinjiao SP-10 Xuehai M-CA-18 Zigong REN-6 Qihai REN-4 Guanyuan	UB-31 Shangliao UB-32 Zhongliao UB-34 Xialiao DU-1 Changqiang UB-57 Chengshan
Dysfunctional uterine bleeding	Anal fissures

Contraindications

Notes

• UB-31, Shangliao, UB-32 Ciliao, UB-33 Zhongliao and UB-34 Xialiao are considered a group of points known as the Eight Crevices (Eight Seams) Baliao. They share the characteristics of regulating the urinary system, (UB-32 Ciliao and to a lesser extent UB-33 Zhongliao are the strongest), the Intestines (UB-34 Xialiao has the widest effect), gynecological disorders (UB-34 Xialiao has the strongest effect) and moving Qi and Blood in the channels and collaterals of the local area and the lower limbs (UB-32 Ciliao and UB-33 Zhongliao are the strongest).
• All four of these points tonify the Kidneys.
• They are specific for genital disorders.
• They tonify the whole body.
• These points can induce labor.
• This point has more of an influence on the Bladder.