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. 2019 Oct 29;9:15490. doi: 10.1038/s41598-019-51871-w

Table 1.

Linearity coefficients of normal and shear strain vs. percent motion completion at five regions of the disc.

Disc Normal strain Shear strain
Anterior Posterior Left Right Center Anterior Posterior Left Right Center
L2L3 0.92 0.97 0.43 0.54 0.44 0.84 0.86 0.83 0.86 0.86
L3L4 0.94 0.97 0.49 0.52 0.51 0.83 0.87 0.80 0.88 0.87
L4L5 0.97 0.99 0.78 0.38 0.69 0.81 0.84 0.88 0.79 0.85
L5S1 0.88 0.92 0.65 0.46 0.62 0.44 0.50 0.43 0.36 0.47

The linear R-squared coefficients were computed for each participant, segment, and disc region, and then were averaged across all participants.