Acupuncture Points Notebook

Location Guides:

: Erjian : Second Space

LI-2 : Hand Yangming Large Intestine 2

Classifications:
Ying-Spring and Water point

Child point of the Large Intestine channel
One of the "59 piercings" for clearing Heat in Ling Shu Ch. 23

Location:
On the radial border of the index finger, in a depression just distal to the metacarpo-phalangeal joint

Needling:
Oblique proximal or disal insertion 0.2 - 0.3 cun or perpendicular-oblique insertion towards the palm 0.5 cun

TCM Actions:
Expels wind, clears heat and reduces swelling
Alleviates pain

TCM Indications:
  • Toothache, pain and swelling of the lower cheek, acute weeping eczema of the face, deviation of the mouth and eye, nosebleed, rhinitis, throat painful obstruction, dry mouth, cloudy vision, eye diseases, yellow eyes.
  • Febrile disease, cold shivering, acute food stagnation.
  • Injury by cold with water binding the chest and lateral costal region, propensity to fright, somnolence.
  • Pain and stiffness of the shoulder and back, cold pain at the point Jianyu L.I.-15.

    Neuroanatomy:
    Superficial Innervation: Median nerve branch to fingers from C6 - C8
    Dermatome Segment: C7

    Notes:
    In five element acupuncture this point is reduced to drain excess in the Large Intesine.

    Ling Shu Ch. 19, on the Four Seasonal Qi, advises opening the Jing-Well and Ying-Spring openings in winter, piercing deeply and retaining the needle for a while.

    Ling Shu Ch. 23, On Heat Diseases, gives a different list of points for the "59 Piercings" to Su Wen Ch. 61. They include three on the outer and three on the inner side of the hands which most likely includes this point.

    In Tung acupuncture a pair of points called Mu Xue, Wood Point, are located on the palmar-ulnar aspect of the proximal segment of the index finger. They are at 1/3 and 2/3 of the distance from the proximal crease. They are indicated for Liver Yang rising signs such as tinnitus, shoulder and neck pain stiffness or pain, hyperlipidemia and bitter taste in the mouth, especially if combined with Liver points (Chu, 2015).


    Reference Notes: (click to display)