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THE UNIVERSITY OF CALGARY Eric Snively A ... - Ohio University

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Figure 3.6. Osteological correlates on a left arctometatarsus<br />

of Albertosaurus sarcophagus.<br />

Figure 3.7. Osteological correlates on a right arctometatarsus<br />

of Daspletosaurus torosus.<br />

Figure 3.8. Osteological correlates on a right arctometatarsus<br />

of Tyrannosaurus rex.<br />

Figure 3.9. Osteological correlates on a left metatarsus of<br />

Allosaurus fragilis.<br />

Figure 3.10. Step sequence of Gorgosaurus libratus metatarsus<br />

in lateral view, showing forces acting upon bones and<br />

ligaments during linear locomotion.<br />

Figure 3.1 la-e. Animation sequence of metatarsal and force<br />

reconstnictions in Figure 3.10.<br />

Figure 3.12. CT reconstructions of right Gorgosaurus libratus<br />

arctometatarsus, showing tensional keystone model of<br />

stance phase kinematics.<br />

Figure 3.13. Ligament contribution to energy transference by<br />

the tyrannosaurid MT III (left Tyrannosautus rex<br />

metatarsals).<br />

Figure 3.14. Torsional loading transfer within the Gorgosaurus<br />

libratus arctometatarsus.<br />

Figure 3.15. Anatomy of the equid carpus.<br />

Figure 3.1 6. Cornparison of loading regimes on bones and<br />

ligaments of the equid carpus and tyrannosaurid<br />

arctometatarsus.<br />

Figure 4.1. Initial loads and boundary conditions applied to a<br />

left Gorgosaurus libratus metatarsus, normal to the<br />

substrate, with a vertical ground reaction force.<br />

Figure 4.2. Initiai loads and boundary conditions applied to a<br />

left Gorgosaurus libratus MT III, with the plantar surface<br />

at 50 degrees to the substrate.<br />

Figure 4.3. Finite element mesh of left Gorgosaurus libratus<br />

152<br />

1 54<br />

156<br />

158<br />

xiv

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