Department of Orthopedic Surgery;
Yamaguchi University Graduate School of Medicine;
Yamaguchi;
Japan;
Faculty of Engineering;
Yamaguchi University;
Yamaguchi;
Japan;
Department of Mechanical and Electrical Engineering;
National Institute of Technology Tokuyama College;
Yamaguchi;
Japan;
biomechanical study; cervical spondylotic myelopathy; collapse rate; compression; gray matter; mechanical properties; spinal cord injury; white matter;