Yin Channels (Lv, Ht, Lu, Kd, Sp)
3rd point from distal end of channel.
Yang Channels (GB, SI, LI, UB, St)
4th point from distal end of channel; except for GB = 5th point.
Fx of Source Pt
encourage movement in meridians
Source Pts
Lu 9, LI 4, St 42, Sp 3, Ht 7, SI 4, UB 64, KD 3, PC 7, SJ 4, GB 40, Lv 3