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. 2020 Dec 16;12:189–193. doi: 10.2147/ORR.S284278

Figure 3.

Figure 3

Clinical findings illustrating the extension lag of the index finger in the resting position (A), which is less pronounced with wrist flexion (B) and more pronounced with wrist extension (C). Extension of the index finger under wrist extension was conducted under general anesthesia due to pain (C).