Additional file 3.

Video clip of cumulative lateral displacement map during one flexion cycle of the table. Red indicates tissue displacement toward the right (rostral) and blue indicates tissue displacement or shear strain toward the left (caudal) (see color scales in Figure 5).

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Langevin et al. BMC Musculoskeletal Disorders 2011 12:203   doi:10.1186/1471-2474-12-203