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Forelimb muscle plasticity following unilateral cervical spinal cord injury
Journal article   Open access   Peer reviewed

Forelimb muscle plasticity following unilateral cervical spinal cord injury

Elisa J Gonzalez-Rothi, Gregory T Armstrong, Anthony J Cerreta, Garrett M Fitzpatrick, Paul J Reier, Michael A Lane, Andrew R Judge and David D Fuller
Muscle & nerve, v 53(3), pp 475-478
Mar 2016
PMID: 26662579
url
https://europepmc.org/articles/pmc4733411View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Analysis of Variance Animals Cervical Vertebrae - pathology Disease Models, Animal Female Forelimb - pathology Functional Laterality - physiology Muscle, Skeletal - pathology Muscle, Skeletal - physiopathology Spinal Cord Injuries - genetics Spinal Cord Injuries - pathology Time Factors
Motor dysfunction and muscle atrophy are well documented in the lower extremity after spinal cord injury. However, the extent and time course of myoplastic changes in forelimb musculature is not clear. Forelimb muscle morphology and fiber type were evaluated after high cervical hemilesion injury in rats. There was significant atrophy of the ipsilateral extensor carpi radialis longus (ECRL) muscle at 2 weeks postinjury, which was subsequently reversed at 8 weeks postinjury. The triceps muscle showed minimal evidence of atrophy after spinal injury. No significant changes in fiber type were observed. These findings indicate a robust capacity for spontaneous myoplasticity after C2 hemisection injury but highlight differential capacity for plasticity within the forelimb muscles.

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Collaboration types
Domestic collaboration
Web of Science research areas
Clinical Neurology
Neurosciences
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