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SP-21 Dabao (大包) — Great Embracement
SP-21
Dabao
大包
Great Embracement · Great Wrapping
Grande Ponto Luo do BaçoPonto de SaídaPonto adjacente do hipocôndrioDangerTórax
Depth
00.5–1 cun3.0
Transverse insertion
Precautions
Deep perpendicular insertion carries a high risk of pneumothorax. Caution: perpendicular insertion, especially in lean patients, carries substantial risk of inducing pneumothorax.
Location (classical)
On the lateral aspect of the chest on the midaxillary line, 6 cun below the axilla, in the seventh (or sixth) intercostal space.
How to find it (practical)
In lateral decubitus, with the arm raised over the head, locate the point in the sixth intercostal space, on the midaxillary line, 6 cun below the axillary fossa.
Anatomy
Serratus anterior and latissimus dorsi muscles. Innervated by the long thoracic nerve and the 6th intercostal nerve.
Needling
Transverse-oblique insertion along the intercostal space, 0.5 to 1 cun.
Etymology
Da (大), great, encompassing; Bao (包), content. The point belongs to the Great Luo (connection) of the Spleen-Pancreas Meridian, Tai Yin of the Foot, and governs the Yin and Yang Meridians. Pi (Spleen) nourishes the five Zang Fu and the four limbs.
CLASSICAL SOURCELing Shu
Clinical Relations
Adjacent Points on the Meridian