Ren21 Xuanji ( Vc21 )

Location On the anterior midline , in the centre of the sternal manubrium , 1 cun below Ren22

Indications Pain in the chest , cough , asthma .

Method Puncture subcutaneously - 0 . 3 - 0 . 5 inch . Moxibustion is applicable .

Vasculature The anterior perforating branches of the internal mammary artery and vein .

Innervation The anterior branch of the supraclavicular nerve and the anterior cutaneous branch of the first intercostal nerve .