족소양담경 (GB)   >   GB22 연액 (淵腋)
부위
가쪽가슴부위, 넷째 갈비사이공간(the 4th intercostal space), 중간겨드랑선(midaxillary line) 위.

In the lateral thoracic region, in the fourth intercostal space, on the midaxillary line.
침구법
- 直刺 0.2～0.3寸 (不宜深刺)
- 斜刺 0.3～0.5寸