
Location
Thigh, midpoint of gluteal fold, sciatic nerve
Needling Depth
1.5–2.5 cun
Deep needling — confirm anatomy first.
Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.
Avoid sciatic nerve.
Anatomy & Safe Needling
Structure: Sciatic nerve under gluteal fold
Risk: Nerve injury
Method: Stop on radiating pain.
Trigger-Point Link
Hamstrings — referred to Back of the thigh to the knee; sometimes the hip.
Appears in Formulas
Bladder Meridian Flow
Water · Yang · peak 3–5 PMQi flowing along the Bladder — direction of animation reflects channel flow.
My notes on BL 36