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. 2010 Sep 24;36(5):417–426. doi: 10.1007/s00068-010-0047-4

Fig. 6.

Fig. 6

a Test setup used to evaluate the stiffness, durability and strength of fixation constructs under axial loading controlled by a material test system; b polymer spheres simulate physiologic constraints at the costrovertebral and sternocostal articulations