족태양방광경 (BL)   >   BL66 족통곡 (足通谷)
부위
새끼발가락, 다섯째 발허리발가락관절(the 5th metatarsophalangeal joint) 가먼쪽(distal and lateral) 오목한 곳, 赤白肉際.

On the little toe, in the depression distal and lateral to the fifth metatarsophalangeal joint, at the border between the red and white flesh.
침구법
- 直刺 0.2～0.3寸
- 斜刺 0.3～0.5寸