Figure 3From: Flexible growing rods: a pilot study to determine if polymer rod constructs may provide stability to skeletally immature spinesRange of motion (ROM) over the instrumented region of the spine for four test conditions Range of motion for control, non-instrumented, spine segments, and for spines instrumented with PEEK, titanium, and cobalt-chrome (CoCr) rods. *** p< 0.0001, ** p< 0.001, * p< 0.01.Back to article page