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. 2024 Dec 20;17:4453–4462. doi: 10.2147/JPR.S487562

Figure 6.

Figure 6

Relationship between the fascia compartment and the suprascapular nerve. Local anesthetic acts to block the suprascapular nerve by entering the fascia space between the prevertebral fascia and the superficial layer of deep cervical fascia, that is the extra-prevertebral fascial block.