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Florida International University

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Atrophy

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Full-Text Articles in Medicine and Health Sciences

Joint-Specific Changes In Locomotor Complexity In The Absence Of Muscle Atrophy Following Incomplete Spinal Cord Injury, Brian K. Hillen, Gary T. Yamaguchi, James J. Abbas, Ranu Jung Aug 2013

Joint-Specific Changes In Locomotor Complexity In The Absence Of Muscle Atrophy Following Incomplete Spinal Cord Injury, Brian K. Hillen, Gary T. Yamaguchi, James J. Abbas, Ranu Jung

Department of Biomedical Engineering Faculty Publications

ackground

Following incomplete spinal cord injury (iSCI), descending drive is impaired, possibly leading to a decrease in the complexity of gait. To test the hypothesis that iSCI impairs gait coordination and decreases locomotor complexity, we collected 3D joint angle kinematics and muscle parameters of rats with a sham or an incomplete spinal cord injury.

Methods

12 adult, female, Long-Evans rats, 6 sham and 6 mild-moderate T8 iSCI, were tested 4 weeks following injury. The Basso Beattie Bresnahan locomotor score was used to verify injury severity. Animals had reflective markers placed on the bony prominences of their limb joints and were …