4 Acupuncture Points of the Twelve Primary ChannelsLocation
1.5 cun lateral to the posterior midline, on the level of the lower
border of the spinous process of the 4th thoracic vertebra (T4).How to find
First, locate the spinous process of C7 (➞3.4.1). From there,
count down four spinous processes to the lower border of the
spinous process of T4. Measure 1.5 cun laterally to locate BL-14
on the highest point of the paraspinal musculature. Or:With the
patient seated and their arms hanging down, the spinous process
of T3 is generally on the level of the medial end of the scapular
spine (➞3.4.2). The next spinous process in an inferior direction
belongs to the T4. Locate BL-141.5 cun lateral to the midline.
Located on the same level are a point of ➞Ex-B-2 (0.5 cun lat-
eral to the midline) and ➞BL-43(3 cun lateral to the midline).Needling
0.5–1 cun obliquely towards the spine or transversely (subcuta-
neously). Caution: Pneumothorax.Actions/Indications
● Regulates and tonifies the Heart
● Unbinds the chest, regulates the Qi
● Calms the shenSpecial features
Back-shupoint of the PericardiumBL-14 Jueyin Shu JUEYINSHU
Midline1.5
cun1.5
cunBL-14Spinous process T12Spinous process T7Spinous process T4Spinous process T3Spinous process C7Base of the
scapular spineInferior
angleBladder channel,
lateral branch
Bladder channel,
medial branchMedial borderof the scapula151714124644421 2 3 4 5 6 7 8 9
S.I.-12
S.I.-1011 1313119S.I.-15Ex-B-3Scapular spineSpinous process T4 BL-43Spinous process T3Spinous process C7
MedialscapulaSpinous process L1
Spinous process L2
Spinous process L3Ex-B-2
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