Biomechanical Characterization of Unilateral and Bilateral Posterior Lumbar Interbody Fusion Constructs

Figure 3

Results of flexibility testing normalized to the intact condition: (a) range of motion results for each stage of testing; (b) neutral zone results for each stage of testing. Denotes significant difference compared to BPS; ^#denotes significant difference compared to BPSC.

(a) Normalized ROM

(b) Normalized NZ