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Figure 6 | BMC Musculoskeletal Disorders

Figure 6

From: Quantifying intervertebral disc mechanics: a new definition of the neutral zone

Figure 6

Scatter plot of the Neutral Zone stiffnesses. The NZ stiffness calculated by the double sigmoid function (NZS_ds, x-axis) as compared to the angulation difference as defined by Wilke (NZS_ad, y-axis). The stiffness appears to be more consistent before preloading (closed circles) as compared to after preloading (open circles). Note the three outliers from the loaded segments. The thin line represents identity.

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