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  • Functional specialization and ontogenetic scaling of limb anatomy in Alligator mississippiensis.
    Abstract Crocodylians exhibit a fascinating diversity of terrestrial gaits and limb motions that remain poorly descr...
    J Anat : (2010)
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  • Variation in center of mass estimates for extant sauropsids and its importance for reconstructing inertial properties of extinct archosaurs.
    We also found considerable potential methodological errors for COM related to (1) assumed body segment orientation, (2) what frames...
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  • Constraint-Based Exclusion of Limb Poses for Reconstructing Theropod Dinosaur Locomotion
    We used a step-wise series of criteria to constrict the volume to a small subset of solutions, which can serve as starting points fo...
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  • More thoughts on the relationship between apparent and material densities in bone.
    J Biomech 42:794 (2009)
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  • The evolutionary continuum of limb function from early theropods to birds.
    We review the evidence from neontology and paleontology, including pectoral and pelvic limb functional morphology, fossil footprints...
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  • Response: Of ideas, dichotomies, methods, and data - how much do elephant kinematics differ from those of other large animals?
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  • Correction: biomechanics of running indicates endothermy in bipedal dinosaurs.
    [This corrects the article on p. e7783 in vol. 4.].
    PLoS ONE 4: (2009)
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  • Biomechanics of running indicates endothermy in bipedal dinosaurs.
    Here we describe two new biomechanical approaches for reconstructing the metabolic rate of 14 extinct bipedal dinosauriforms during...
    PLoS ONE 4:e7783 (2009)
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  • Three-dimensional geometric analysis of felid limb bone allometry.
    Computed tomographic (CT) images (16435 slices in 116 stacks) were made of 9 limb bones from each of 13 individuals of 9 feline spec...
    PLoS ONE 4:e4742 (2009)
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  • Segmental Kinematic Coupling of the Human Spinal Column during Locomotion
    As one of the most important daily motor activities, human locomotion has been investigated intensively in recent decades. The locomo...
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  • The movements of limb segments and joints during locomotion in African and Asian elephants.
    We quantified the forelimb and hindlimb motions of eight Asian elephants (Elephas maximus) and seven African elephants (Loxodonta af...
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  • The three-dimensional locomotor dynamics of African (Loxodonta africana) and Asian (Elephas maximus) elephants reveal a smooth gait transition at moderate speed.
    We examined whether elephants shift to using bouncing (i.e. running) mechanics at any speed. To do this, we measured the three-dimen...
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  • Some basic relationships between density values in cancellous and cortical bone.
    We produced here equivalent relationships from specimens originating from cortical and cancellous areas of the same bone. Plots of D...
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  • A 3D interactive method for estimating body segmental parameters in animals: application to the turning and running performance of Tyrannosaurus rex.
    We developed a method based on interactive B-spline solids for estimating and visualizing biomechanically important parameters for a...
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  • The locomotor kinematics of Asian and African elephants: changes with speed and size.
    We analyzed the locomotor kinematics of over 2400 strides from 14 African and 48 Asian elephant individuals (body mass 116-4632 kg)...
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  • Dinosaur locomotion: beyond the bones.
    Nature 440:292 (2006)
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  • New Information on Segisaurus halli, a Small Theropod Dinosaur from the Early Jurassic of Arizona
    We redescribe the holotype and only specimen of Segisaurus halli, a small Early Jurassic dinosaur and the only theropod known from t...
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  • Analysis of hindlimb muscle moment arms in Tyrannosaurus rex using a three-dimensional musculoskeletal computer model: implications for stance, gait, and speed
    We used sensitivity analysis of uncertain parameters, such as muscle origin and insertion centroids, to deterimine how much our conc...
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  • NEW INFORMATION ON SEGISAURUS HALLI, A SMALL THEROPOD DINOSAUR FROM THE EARLY JURASSIC OF ARIZONA
    We redescribe the holotype and only specimen of Segisaurus halli, a small Early Jurassic dinosaur and the only theropod known from t...
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  • The Dinosauria
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