5.2 Ren maiLocation
On the anterior midline, on the level of the 2nd intercostal space.How to find
Locate the 2nd intercostal space by parasternal palpation start-
ing at the clavicle or by palpating from the manubriosternal syn-
chondrosis (➞2nd rib) (➞3.5).
Located at the same level (2nd intercostal space) are
➞KID-25/ST-15/SP-20(2/4/6 cun lateral to the midline).Needling
0.5 cun transversely in a superior or inferior direction. Caution:
In patients with a sternal foramen, danger of injury to the pleura
or the mediastinum, therefore only transverse needling with or
against the flow of the channel.Actions/Indications
● Unbinds the chest
● Regulates and descends the QiPurple Palace ZIGONG Ren-19
Ren-16Ren-18Ren-19Ren-20Ren-21Sterno-
costal
angle2nd inter-
costal spaceKID-25KID-24KID-23 Ren-172nd intercostal spaceLU-1
SP-20
SP-19 2nd intercostal space1st intercostal space3rd intercostal spaceST-14
ST-151st intercostal space2nd intercostal space2nd ribCoracoid processXiphoid
process11th ribFree end of
the 11th ribFree end of
the 12th ribSternocostal
angleManubriosternal
synchondrosisCh05a-F10028.qxd 2/22/08 9:44 PM Page 489