Fig. 3From: A Novel growth guidance system for early onset scoliosis: a preliminary in vitro studyFour groups of samples were installed on the MTS test system. Figure 3a and b are the pre- and post-test of Group A, which is the sliding screw capture un-polished rod without UHMWPE gaskets. Figure 3c and d are the pre- and post-test of Group B, which is the sliding screw capture with polished rod without UHMWPE gaskets. Figure 3e and f are the pre- and post-test of Group C, which is the sliding screw capture un-polished rod with UHMWPE gaskets. Figure 3g and h are the pre- and post-test of Group D, sliding screw capture polished rod with UHMWPE gasketsBack to article page