ArticleArchives of rehabilitation research and clinical translation2026
Thumb Positioning Modulates Median Nerve Mobility and Morphology During Postural Changes in Carpal Tunnel Syndrome: Implications for Nerve Gliding Exercises.
Article in Archives of rehabilitation research and clinical translation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: To investigate the modulation of median nerve (MN) mobility and morphology by thumb positioning during postural changes in patients with carpal tunnel syndrome (CTS), with implications for nerve gliding exercises. Design: Cross-sectional case-control study. Setting: Outpatient physical medicine and rehabilitation department at a community hospital. Participants: Patients aged 18 to 65 years with symptoms of CTS, confirmed using nerve conduction studies, were consecutively enrolled. Those with a history of wrist trauma or surgery were excluded. Interventions: Not applicable. Main Outcome Measures: MN and flexor digitorum superficialis (FDS) tendon excursion and cross-sectional area (CSA) of the MN in wrist neutral/extended and thumb-resting/abducted positions. Results: A total of 79 CTS hands and 88 healthy hands were enrolled. The CTS group had a significantly larger MN CSA ( Conclusions: MN mobility and morphology are affected by thumb positioning in CTS. It is recommended to avoid overstretching the thumb in the final step of nerve gliding exercises.
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