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Posture-induced changes in peripheral nerve stiffness measured by ultrasound shear-wave elastography
journal contribution
posted on 2023-06-09, 02:57 authored by Jane Greening, Andrew DilleyAndrew DilleyIntroduction: Peripheral nerves slide and stretch during limb movements. Changes in nerve stiffness associated with such movements have not been examined in detail but may be important in understanding movement-evoked pain in patients with a variety of different musculoskeletal conditions. Methods: Shear-wave elastography was used to examine stiffness in the median and tibial nerves of healthy individuals during postures used clinically to stretch these nerves. Results: Shear-wave velocity increased when limbs were moved into postures that are thought to increase nerve stiffness (mean increase: median nerve = 208% in arm, 236% in forearm; tibial nerve = 136%). There was a trend toward a negative correlation between age and shear-wave velocity (r = 0.58 for tibial nerve). Conclusions: Shear-wave elastography provides a tool for examining nerve biomechanics in healthy individuals and patients. However, limb position, age, and effects of nerve tension on neural architecture should be taken into consideration.
History
Publication status
- Published
File Version
- Accepted version
Journal
Muscle and NerveISSN
1097-4598Publisher
WileyExternal DOI
Issue
2Volume
55Page range
213-222Department affiliated with
- BSMS Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2016-09-19First Open Access (FOA) Date
2017-07-12First Compliant Deposit (FCD) Date
2016-09-19Usage metrics
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