Points Database

: Chengjin : Support the Sinews

Bl-56 : Foot Taiyang Bladder 56

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

Location:
On the lower leg, 5 cun below Weizhong Bl-40 and midway between Heyang Bl-55 and Chengshan Bl-57, in the centre of the belly of the gastrocnemius muscle.

Needling:
Perpendicular insertion 1 - 1.5 cun

Warning:
According to several classical texts this point is contraindicated to needling.


TCM Actions:
Relaxes the sinews, activates the channel and alleviates pain
Benefits the foot and heel

TCM Indications:
  • Contraction and pain of the lumbar spine, painful obstruction of the lower leg, shivering with inability to stand for long, heat sensation in the soles wiht inability to stand for long, pain and contraction of the foot and heel, swelling of the axilla.
  • Haemorrhoids, constipation, incontinence of both urine and faeces.
  • Nosebleed, rhinitis, heat in the head, dizziness and headache, sudden turmoil disorder with cramps, clonic spasm, urticaria.

    Neuroanatomy:
    Superficial Innervation: Posterior cutaneous nerve of the thigh (S1 - S3)
    Dermatome Segment: S2
    Deeper Structures: Tibial nerve (L5 - S2)

    Trigger Point Associations:
    Muscle: Tibialis posterior
    Myotome Innervation: Tibial nerve (L5 - S2)
    Location Notes: May be slightly medial and deep to the gastrocnemus muscle
    Pain Referral Pattern: To achilles tendon with spillover across calf and sole of foot
    Indications: Pain in the foot and Achilles tendon when running and walking

    Notes:
    Medieval phlebotomy point (Hans von Gersdorff, 1517: Feldtbüch der Wundartzney, www.nlm.nih.gov)

    Lad and Durve (2008) in Marma Points of Ayurveda call this point medial Indrabasta and associate it with Apana Vayu, Vyana Vayu, Ranjaka Pitta and Sadhaka Pitta.

    They give the following functions:
    - Promotes circulation in the lower extremities
    - Benefits the legs and relaxes the muscles
    - Regulates the functions of the colon
    - Stabilizes mind

    A medial Indrabasta is located at Diji Sp-8.


    Reference Notes: (click to display)