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Fig 2. The peak A/P spinal cord displacement averaged across all of the subjects and plotted as a function of R/C cord position (ie, vertebral level). The black line indicates the cross-subject average of peak displacement, whereas the gray area indicates the region within 1 SD of the mean at each R/C position. Motion below the level of midthoracic vertebrae (around T4 or T5) is significantly lower compared with more rostral cord regions.
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