Acupuncture Points Notebook

Location Guides:

: Futu : Support the Prominence

LI-18 : Hand Yangming Large Intestine 18

Classifications:
Point of the Window of Heaven
Trigger point (Travell & Simons, 1998, Trigger Point Manual; Melzack, Stillwell & Fox, 1977, Trigger Points and Acupuncture Points for Pain: Correlations and Implications, Pain 3, p3-23)
Confluent point of the Large Intestine and Lung Divergent channels (Cecil-Sterman, 2012, Advanced Acupuncture)

Meetings:
Meeting of Large Intestine with Large Intestine Divergent and Lung Divergent

Location:
On the lateral side of the neck, level with the tip of the lanyngeal prominence, between the sternal and clavicular bellies of the sternocleidomastoid muscle

Needling:
Perpendicular insertion 0.3 - 0.5 cun or oblique insertion 0.5 - 0.8 cun

Warning:
Deeper needling mayb puncture the carotid artery or jugular vein


TCM Actions:
Benefits the nose and throat
Alleviates cough and wheezing

TCM Indications:
  • Swelling and pain of the throat, sudden loss of voice, rattling sound in the throat, goitre, scrofula, difficulty in swallowing.
  • Cough, coughing with much spittle, wheezing, asthma, hypotension.

    Neuroanatomy:
    Superficial Innervation: Greater auricular nerve (C2 - C3)
    Dermatome Segment: C3

    Trigger Point Associations:
    Muscle: Sternomastoid
    Myotome Innervation: Motor functions supplied by ipsilateral accessory nerve (CN XI); Sensation provided by dorsal rami of C2 - C3
    Location Notes: The trigger point location should be on the belly of the sternomastoid
    Pain Referral Pattern: To back of head and from top of cheek to temple, to the forehead above the eyebrow and into the inner canthus of the eye. Some spillover onto cheek, top of head and front of throat
    Indications: Torticollis ; Myalgia of neck muscles ; Head and facial pains

    Notes:
    Ling Shu Ch. 21, On Cold and Heat Diseases, recommends using this point and bleeding from the under the tongue (probably Jinjin/Yuye) in cases of sudden loss of voice and stiffness of the throat and tongue muscles.

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    In ayurvedic medicine:
    Siramatrika marma point
    Size: 4 angula (cun)
    Structure: Blood vessels.
    Effect of Injury: Fatal (sadhyapranahat marma).
    (Harish Johari, 1996, Ayurvedic Massage, Sanatan Society)

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    Lad and Durve (2008) in Marma Points of Ayurveda locate Siramantha slightly inferior to the this point, level with LI-17 but on the anterior of the SCM, and associate it with Prana Vayu, Udana Vayu, Vyana Vayu, Ranajaka Pitta and Sadhaka Pitta.

    They give the following functions:
    - Regulates thyroid and parathyroid functions
    - Enhances cervical lymphatic circulation
    - Regulates blood pressure and cardiac functions
    - Relieves neck tension
    - Benefits pharynx and larynx


    Reference Notes: (click to display)