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. 2023 Sep 12;15(9):e45073. doi: 10.7759/cureus.45073

Video 1. Ultrasound appearance of the 2nd-3rd dorsal metacarpal space.

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The video clearly shows the interosseous and lumbrical muscles at the 2nd to 3rd metacarpal space of the upper limb. From dorsal to palmar, the muscles are as follows: (1) dorsal interosseous, (2) palmar interosseous, (3) lumbrical muscles.