5 The Eight Extraordinary Vessels (qi jing ba mai) with PointsLocation
0.5 cun superior to the sternum, in the centre of the suprasternal
fossa.How to find
This point is best located with the patient in a supine position
and a pillow under the shoulders or seated with a comfortable
and safe head support. Locate the centre of the suprasternal
fossa, approximately 0.5 cun superior to the sternum and there
locate Ren-22.Needling
Initial vertical insertion 0.2 cun (in order to penetrate the skin),
then direct the tip of the needle inferiorly and continue to insert
the needle parallel to the posterior aspect of the sternum up to
0.5–1 cun. Caution: Dangerous point. Wrong insertion technique
(for example, vertical or oblique retrosternal needling) may lead
to injury of the big vessels and organs inside the mediastinum.
This point should only be needled by experienced practitioners.Actions/Indications
● Descends counterflow Lung Qi, alleviates coughing and dys-
pnoea, benefits the throatSpecial features
Meeting point with the yin wei mai, Window of Heaven point.
Important emergency point for acute asthma attacks.Ren-22 Heavenly Prominence TIANTU
Suprasternal fossaRen-222nd rib1st ribT12L1T1C6Clavicle
AcromionCoracoid process
Glenoid cavityScapula
4th rib
Sternum6th rib
7th rib
8th rib10th rib
11th rib12th rib3rd ribCh05a-F10028.qxd 2/22/08 9:44 PM Page 492