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Figure 1: Advantages of ultrasound visualization and the necessity for ultrasound visualization during dry needling-Ultrasound images showing needling of abdominal wall muscles (top left and right), chest wall muscles (bottom left), and intercostal muscles (bottom middle and right). Ultrasonography allows direct visualization of pleura, peritoneum, pericardium, and neurovascular structures so that needles can be steered into muscles while safeguarding these vital structures. EO, external oblique; IO, internal oblique; TR, transversus abdominis; DN, Dry needling, RA- rectus abdominis; PMAJ, Pectoralis major; P MI, Pectoralis minor; V, subclavian vein; A, subclavian artery; PHN, post-herpetic neuralgia; EIC, external intercostal muscle and the muscle superficial to it is the serratus anterior; IIC, internal intercostal muscles; PL, pleura, ICM-intercostal muscle

Figure 1: Advantages of ultrasound visualization and the necessity for ultrasound visualization during dry needling-Ultrasound images showing needling of abdominal wall muscles (<i>top left</i> and <i>right</i>), chest wall muscles (<i>bottom left</i>), and intercostal muscles (<i>bottom middle</i> and <i>right</i>). Ultrasonography allows direct visualization of pleura, peritoneum, pericardium, and neurovascular structures so that needles can be steered into muscles while safeguarding these vital structures. EO, external oblique; IO, internal oblique;  TR, transversus abdominis; DN, Dry needling, RA- rectus abdominis; PMAJ, Pectoralis major; P MI, Pectoralis minor; V, subclavian vein; A, subclavian artery; PHN, post-herpetic neuralgia; EIC, external intercostal muscle and the muscle superficial to it is the serratus anterior; IIC, internal intercostal muscles; PL, pleura, ICM-intercostal muscle