Boyd, Benjamin S and Dilley, Andrew (2014) Altered tibial nerve biomechanics in patients with diabetes mellitus. Muscle and Nerve, 50 (2). pp. 216-223. ISSN 1097-4598

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Abstract

INTRODUCTION

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.

Item Type:	Article
Schools and Departments:	Brighton and Sussex Medical School > Clinical and Experimental Medicine Brighton and Sussex Medical School > Division of Medical Education
Subjects:	Q Science > QP Physiology > QP0351 Neurophysiology and neuropsychology > QP0361 Nervous system R Medicine > RC Internal medicine > RC0321 Neurosciences. Biological psychiatry. Neuropsychiatry > RC0346 Neurology. Diseases of the nervous system Including speech disorders
Depositing User:	Andrew Dilley
Date Deposited:	17 Sep 2014 14:59
Last Modified:	22 Sep 2017 15:26
URI:	http://sro.sussex.ac.uk/id/eprint/49959

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