6.3 Extra Points: Back (EX-B)Location
1.5 cun lateral to the lower border of the spinous process of the
8th thoracic vertebra (T8).How to find
Locate T7 (➞3.4.2). From there, count down one spinous
process (to T8) and locate Ex-B-31.5 cun lateral from the mid-
line. Use the Tuffier’s line (L4, 3.4.3) to confirm the location of
this point: from L4, count up the spinous processes of L3 to L1
and of T12 to T8.
Located on the same level is a point of ➞Ex-B-2(0.5 cun lat-
eral to the midline).Needling
0.5–1 cun vertically or up to 1.5 cun obliquely in a medial direc-
tion. Do not needle in a lateral direction. Caution: Pneumothorax.Actions/Indications
● Opens the channel locally
● Moistens the body and clears HeatStomach Controller Lower Shu WEIWANXIASHU Ex-B-3
Ex-B-31.5
cun1.5
cunMedial borderof the scapulaBl channel,
medial branchSpinous process C7MidlineSpinous process T3Spinous process T7
Spinous process T8Spinous process T12Medial base of
scapular spineInferior
angle1517182023251412864354Ex-B-65249474644421 2 3 4 5 6 7 8 910
11
12
1
2
3
4
5S.I.-12
S.I.-10211 131330119Ex-B-8S.I.-15Ex-B-4Ex-B-5 Ex-B-5
Ex-B-7Ex-B-3Ex-B-11Spinous process L3Spinous process L2Spinous process L1Ex-B-2
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