Points Database

Location Guides:

: Quanliao : Cheek Bone Crevice

SI-18 : Hand Taiyang Small Intestine 18

Classifications:
Meeting point for all leg Yang Sinew Meridians (Yuen, 2003, The Sinew Meridians: NESA).

Meetings:
Meeting of Small Intestine with San Jiao and Small Intestine Divergent

Location:
Directly below the outer canthus, in the depression at the lower border of the zygomatic bone.

Needling:
Transverse insertion to points such as Dicang St-4, Xiaguan St-7, Yingxiang L.I.-20, Jiache St-6, etc, or perpendicular insertion 0.5 - 0.7 cun

Warning:
According to the Classic of Categories and a number of modern texts this point is contraindicated to moxibustion


TCM Actions:
Eliminates wind and alleviates pain
Clears heat and reduces swelling

TCM Indications:
  • Deviation of the mouth and eye, ceaseless twitching of the eyelids, pain of the face, swelling of the cheek with toothache, inability to chew, abscess of the lip, red face, yellow eyes.

    Neuroanatomy:
    Superficial Innervation: Infraorbital nerve, from maxillary branch of trigeminal nerve (V2)
    Dermatome Segment: CN V2 maxillary branch of trigeminal

    Notes:
    Although this seems an odd point for pain of the back and legs indicated by it being the confluence of the Yang leg sinews, it could be due to strain or pain in the sinews producing a grimace and tension at this point which will become an ahshi over time.

    In Tung acupuncture the point Ma Jin Shui Horse Gold Water, is located at this point with another Ma Kuai Shui, Horse Fast Water, located 0.4 cun below it. They are indicated for pain originating in the kidney, bladder, lower back and legs, including stones and UTIs, nephritis and frequent urination. They also have indications for sinusitis and chest pain. (Chu, 2015).

    Medieval phlebotomy point (John de Foxton, 1408: Liber Cosmographiae, maa.cam.ac.uk)

    In Tibetan medicine:
    Moxa point (AMNH, Tibetan Medical Paintings)


    Reference Notes: (click to display)