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Biomechanical study reveals load-dependent SL instability, indicating the DSTL is a key dorsal restraint.
Dorsal SLIOL sectioning produced load-dependent (dynamic) SL instability, whereas subsequent DSTL sectioning was associated with progression to static instability, supporting the DSTL as an important dorsal restraint. The DISA may provide an additional CT-based measure of dorsal scaphoid subluxation; however, clinical validation is required.
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Rodriguez et al. (2026) studied this question.
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