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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
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 …