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Abstract #0886

Three-Dimensional MRI Assessment of Median Nerve Variability in the Carpal Tunnel

Daniel Ross Thedens1, Jessica E. Goetz2, Nicole M. Kunze2, Thomas E. Baer2, Ericka Lawler2, Thomas D. Brown2

1Radiology, University of Iowa, Iowa City, IA, United States; 2Orthopaedics and Rehabilitation, University of Iowa, Iowa City, IA, United States

An important consideration in the evaluation of the biomechanics of the tendons and median nerve in the carpal tunnel is the normal range of variation in their conformation and relative arrangement within the tunnel under otherwise equivalent external conditions. The purpose of this study was to investigate the range of median nerve deformation and position within the tunnel over a series of imaging evaluations and following a set of specific pre-scan activities. The results demonstrate the complex motion and deformation of the median nerve in both neutral and flexed wrist positions.