Atlas of Acupuncture

4 Acupuncture Points of the Twelve Primary Channels

Location

3 cun lateral to the posterior midline, on the level of the 2nd

sacral foramen.

How to find

For details on orientation in the lumbar and sacral region,

➞3.4.3, 3.4.4. First, locate L5. The next palpable bony structure

inferior to L5 is the highest process of the medial sacral crest.

Palpate inferiorly for the 2nd process and locate the 2nd sacral

foramen slightly less than 1 cun lateral to the process. Next,

locate BL-533 cun lateral to the midline on the level of the 2nd

foramen. Or:Use the sacral foramina as a reference point

(➞3.4.4). BL-53is located on the level of the 2nd foramen,

3 cun lateral to the midline.

Located on the same level are ➞BL-32(over the 2nd sacral

foramen) and ➞BL-28(1.5 cun lateral to the midline).

Needling

Vertically or obliquely 1–1.5 cun

Actions/Indications

● Benefits the lumbar region, opens the channel and alleviates

pain

● Regulates the Lower Burner

BL-53 Bladder Vitals BAOHUANG

Midline

3 cun

BL-53

Level of the

iliac crests

Spinous process L4

Spinous process L5

Sacral

foramina

2

17

18

20

23

25

8

6

4

3

Ex-B-6

52

49

47

46

7

8

9

10

11

12

1

2

3

4

5

9

Ex B 8

Ex-B-4

Ex-B-5 Ex-B-5

Ex-B-7

Ex-B-3

Sacral foramen 1

2

3

4

BL-31

BL-32

BL-33

BL-34

2

3

4

BL-28

Posteriorsuperior 1

iliac spine

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