Fig. 2. Ultrasound-guided image of the brachial plexus at the level of the interscalene groove. The C5, C6, and C7 nerve roots are clearly visualized between the middle scalene muscle and anterior scalene muscle, with the needle positioned for the brachial plexus block injection.

Korean J Sports Med 2025;43:46-9 https://doi.org/10.5763/kjsm.2025.43.1.46

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