Ultrasound-Guided Miniscalpel-Needle Release versus Dry Needling for Chronic Neck Pain: A Randomized Controlled Trial

Figure 4

UG-DN at the sixth cervical vertebra (C6). The dry needle is clearly indicated. Trigger points showed the same characteristics described in Figure 3. The dotted line shows the outline of C6. The letters (A) and (B) indicate, respectively, the posterior tubercle and articular process. Post.: posterior position of patients. Ant.: anterior position of patients.