
Location
Leg, 7 cun above lateral malleolus, posterior fibula
Needling Depth
0.5–1 cun
Moderate depth — mind underlying structures.
Always palpate landmarks and angle away from vital structures. Chest/neck: oblique, shallow only.
Point Category
Bladder Meridian Flow
Water · Yang · peak 3–5 PMQi flowing along the Bladder — direction of animation reflects channel flow.
My notes on BL 58