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Altered tibial nerve biomechanics in patients with diabetes mellitus
journal contribution
posted on 2023-06-08, 18:19 authored by Benjamin S Boyd, Andrew DilleyAndrew DilleyINTRODUCTION Hyperglycemia associated with diabetes mellitus (DM) has adverse impacts on peripheral nerve connective tissue structure, and there is preliminary evidence that nerve biomechanics may be altered. METHODS Ultrasound imaging was utilized to quantify the magnitude and timing of tibial nerve excursion during ankle dorsiflexion in patients with DM and matched healthy controls. RESULTS Tibial nerve longitudinal excursion at the ankle and knee was reduced, and timing was delayed at the ankle in the DM group. Severity of neuropathy was correlated with larger reductions in longitudinal excursion. Nerve cross-sectional area was increased at the ankle in the DM group. CONCLUSIONS Larger tibial nerve size within the tarsal tunnel in patients with DM may restrict longitudinal excursion, which was most evident with more severe neuropathy. It is hypothesized that these alterations may be related to painful symptoms during functional activities that utilize similar physiological motions through various biomechanical and physiological mechanisms.
History
Publication status
- Published
Journal
Muscle and NerveISSN
1097-4598Publisher
WileyExternal DOI
Issue
2Volume
50Page range
216-223Department affiliated with
- Clinical and Experimental Medicine Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2014-09-17Usage metrics
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