Points Database

: Yangfu : Yang Assistance

GB-38 : Foot Shaoyang Gall Bladder 38

Classifications:
Jing-River and Fire point

Child point of the Gall Bladder channel

Trigger point (Travell & Simons, 1998, Trigger Point Manual)

Location:
On the lateral aspect of the lower leg, 4 cun superior to the prominence of the lateral malleolus, at the anterior border of the fibula.

Needling:
Perpendicular insertion 0.7 - 1 cun

TCM Actions:
Clears gall bladder channel heat
Harmonises shaoyang
Benefits the sinews and bones
Activates the channel and alleviates pain

TCM Indications:
  • One-sided headache, pain of the outer canthus, throat painful obstruction.
  • Bitter taste in the mouth, sighing, pain of the chest and lateral costal region, chills and fever, sweating with cold shivering, pain in the middle and supraclavicular fossa, swelling and pain of the axilla, scrofula, malaria, blue-green (qing) complexion.
  • Wind painful obstruction with numbness, wandering pain of the joints, hemiplegia, contracted sinews, pain of the hundred joints, pain and numbness of the lateral side of the lower limb, lower limb painful obstruction, oedema below the knee, leg qi, sensation in the lumbar region as if sitting in water, severe lumbar pain, lumbar pain like a small hammer in the middle of the back, pain of the lateral malleolus.

    Neuroanatomy:
    Superficial Innervation: Superficial fibular (peroneal) nerve (S4 - S1)
    Dermatome Segment: L5

    Trigger Point Associations:
    Muscle: Extensor hallucis longus
    Myotome Innervation: Deep fibular (peroneal) nerve (L4 - S3)
    Location Notes: Lies deep to the extensor digitorum longus muscle so might need palpation more anteriorly to find
    Pain Referral Pattern: To big toe
    Indications: Strain of toe extensors

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


    Reference Notes: (click to display)