Table 3.
The location, regional anatomy, and innervation of common acupoints for treating PID.
| Acupoint | Location | Muscle | Innervation |
|---|---|---|---|
| CV4 (Guanyuan) | 3 cun below the center of the umbilicus on the lower abdomen and on the anterior midline | Fibrous tissue, linea alba | L1 |
| SP6 (Sanyinjiao) | 3 cun proximal to the medial malleolus | Mm. flexor digitorum longus, tibialis posterior | L4-5, S1-2 |
| EX-CA1 (Zigong) | 4 cun below the umbilicus and 3 cun lateral to the anterior midline | Obliquus internus abdominis, musculus transversus abdominis | T10-L2 |
| CV3 (Zhongji) | 4 cun caudal to the umbilicus | Fibrous tissue, linea alba | L1 |
| ST36 (Zusanli) | 3 cun below ST35, one finger breadth from the anterior crest of the tibia, (front ridge of tibia), between fibula and tibia | Anterior tibial muscle, extensor digitorum longus | L4-5, S1-2 |
| CV6 (Qihai) | 1.5 cun inferior to the center of the umbilicus, on the anterior midline | Fibrous tissue, linea alba | Th11 |
| ST29 (Guilai) | 4 cun inferior to the center of the umbilicus, 2 cun lateral to the anterior midline | M. rectus abdominis | Th6-12 |
| BL32 (Ciliao) | At the 2nd posterior sacral foramen on the sacrum and the posterior ramus of the S2 nerve | Erector spinae | L2-S4 |
| BL23 (Shenshu) | Under the 2nd spinous process of lumbar vertebra, next to 1.5 cun | Erector spinae | L1 |
| SP9 (Yinlingquan) | Below medial tibia condyle | M. gastrocnemius | S1-2 |