4 Acupuncture Points of the Twelve Primary ChannelsLocation
3 cun lateral to the posterior midline, on the level of the lower
border of the spinous process of the 6th thoracic vertebra (T6).How to find
After locating the spinous process of C7 (➞3.4.1), count down
6 spinous processes to the lower border of the spinous process
of T6. Located on this level and 3 cun lateral to the midline is
BL-45. Or:With the patient seated and their shoulders in a relaxed
position, the spinous process of T7 is generally on the level of
the inferior angle of the scapula (➞3.4.2). Locate BL-45on the
level of the spinous process of T6, 3 cun lateral to the midline.
Located on the same level are ➞Du-10(on the midline), a point
of ➞Ex-B-2(0.5 cun lateral to the midline) and ➞BL-16
(1.5 cun lateral to the midline).Needling
Obliquely 0.3–0.8 cun. Caution: Pneumothorax.Actions/Indications
● Expels pathogenic factors, especially Wind and Heat
● Descends the Lung Qi and unbinds the chest
● Strengthens the Qi and Blood and alleviates painBL-45 Cry of Pain YIXI
Spinous process C7MidlineBase of the
scapular spineInferior
angle
3 cunBladder channel,
lateral branchMedial borderof the scapula
Spinous process T3Spinous process T7Spinous process T6Spinous process T12BL-45151718141247 84644421 2 3 4 5 6 7 8 910S.I.-12
S.I.-1011 1313119S.I.-15Ex B 3Du-10DFS BWK 6
Spinous process T7 Inferior
angleInferior
angleBL-16Spinous process T6
Spinous process T7Ex-B-2
(parts)Spinous process L1
Spinous process L2
Spinous process L3Ch04.7b-F10028.qxd 2/22/08 5:00 PM Page 292