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ST-16 Yingchuang (膺窗) — Chest Window
Depth
00.5–0.8 cun3.0
Transverse insertion
Precautions
Deep perpendicular insertion carries a risk of pneumothorax.
Location (classical)
On the chest, in the third intercostal space, 4 cun lateral to the anterior midline.
How to find it (practical)
Seated or supine, locate the point on the vertical line through the nipple, at the middle of the third intercostal space.
Anatomy
Pectoralis major muscle, intercostal muscles. Pectoral nerves.
Needling
Transverse-oblique insertion along the intercostal space 0.5–0.8 cun.
Etymology
Ying (膺), chest; Chuang (窗), window. The point is like a window of the chest.
CLASSICAL SOURCEJia Yi Jing
Clinical Relations
Adjacent Points on the Meridian