Points Database

Location Guides:

: Shidou : Food Cavity

Sp-17 : Foot Taiyin Spleen 17

Classifications:
Trigger point (Melzack, Stillwell & Fox, 1977, Trigger Points and Acupuncture Points for Pain: Correlations and Implications, Pain 3, p3-23)

Location:
On the lateral side of the chest, in the fifth intercostal space, 6 cun lateral to the midline.

Needling:
Transverse-oblique insertion along the intercostal space 0.5 - 1 cun

Warning:
Perpendicular insertion, especially in thin patients, carries a substanstial risk of inducing a pneumothorax.


TCM Actions:
Dissipates accumulation of food and promotes digestion

TCM Indications:
  • Fullness of the chest and lateral costal region, ceaseless pain of the lateral costal region, abdominal distension, water swelling of the abdomen, oesophageal pain, pain of the diaphragm, belching, vomiting immediately after eating, undigested food in the stool, borborygmus.
  • Cough, swelling of the breasts, chronic Spleen malaria, jaundice.

    Neuroanatomy:
    Superficial Innervation: Lateral cutaneous thoracic nerve from T6
    Dermatome Segment: T6
    Deeper Structures: Neuromuscular junction of long thoracic nerve (C5 - C7) to the serratus anterior muscle

    Trigger Point Associations:
    Muscle: Serratus anterior
    Myotome Innervation: Long thoracic nerve (C5 - C7)
    Location Notes: Although Melzack (1977) locates the serratus anterior here, Travell & Simons' (1998) diagrams show Dabao Sp-21 to be a better location
    Pain Referral Pattern: Around the point on the lateral aspect of the chest and on the back at the medial-inferior border of the scapula
    Indications: Costal vertebral sprain ; Scapular fractures


    Reference Notes: (click to display)