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. 2023 Feb 21;20(5):3838. doi: 10.3390/ijerph20053838

Figure 3.

Figure 3

Anatomical drawings show the CBsDR of spinal nerves piercing the muscular (white arrowheads) and aponeurotic (yellow arrowheads) components of the trapezius (Trap) and rhomboid (Rhom) muscles to reach the subcutaneous tissue at the cervical/thoracic spine. LS: levator scapulae muscle.