The 81st Annual Meeting of the American Association of Physical Anthropologists (2012)

Session 34. The use of models in anthropological locomotor biomechanics: “stand-ins” or bases of comparison?. Invited Poster Symposium. Chair: Kristiaan D'Aout and Gilles Berillon

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Most crucial issues with respect to the hominin locomotor system and its evolution (such as the evolution of habitual bipedalism) cannot be directly investigated, as the available material consists of rare and fragmentary bones and few ichnofossils (e.g. footprints). As in many domains in anthropology, “model” species have, therefore, been used in locomotor studies, with the hope of elucidating specific issues, as well as general principles. However, no extant species can serve as a perfect “stand-in” for an extinct species, despite a close resemblance phylogenetically or morphologically. The present symposium aims to bring together researchers active in biomechanical anthropology (or anthropological biomechanics) focusing on locomotion. In their work, some of them have been focusing on a few species, attempting to obtain fine details of their biomechanics and (carefully) apply them to extinct hominins. Others have been studying a range of species (often less closely related, including non-primates) in a broader comparative approach. Researchers will present their most recent work, especially that which uses alternative species and state-of the-art experimental methods. In this sense, the “model” used can also be an in vitro model or a computer model. Computer models also can be as precise as possible (i.e. aiming for a good mimic) or more simple, aiming at general insights.The aim of the symposium is to brain-storm on the issues inherent to working with “models”, and to try and find a consensus on future directions that should enable us to extract the best possible and most useful information of experimental and in-silico work on hominin and non-human primate locomotion.

1 Add to calendar Investigating load-carrying in non-human primates: the case study of infant-carrying in Olive baboons. Gilles Berillon, Zohreh Anvari, Kristiaan D'Août.
2 Add to calendar The functional and ecological morphology of terrestriality in Primates and Non-Primate mammals. Matthew R. Borths, Ashley D. Gosselin-Ildari, Biren A. Patel.
3 Add to calendar Modeling joint loads in bipedal and quadrupedal marsupials and primates: insight into the uniqueness of modern humans. Kristian J. Carlson, Biren A. Patel, Kimberley Houghton, Michael C. Westaway.
4 Add to calendar The musculoskeletal system of humans is not tuned to maximize the economy of locomotion. David R. Carrier, Christoph Anders, Nadja Schilling.
6 Add to calendar Sheep in shoes: a new experimental test of Wolff’s Law of trabecular orientation. Daniel E. Lieberman, Meir Barak, Jean-Jacques Hublin.
7 Add to calendar The pendular movement in brachiation: A simple model for a locomotion system used in complex environments. Fana Michilsens, Kristiaan D'Août, Evie E. Vereecke, Peter Aerts.
8 Add to calendar A model-based approach to compute 3D bipedal locomotion based on anthropological data – application to non-human primates and early hominids . Guillaume Nicolas, Franck Multon, Gilles Berillon.
9 Add to calendar Chimpanzee bipedalism: integrating experiments and musculoskeletal modeling . Matthew C. O'Neill, Brigitte Demes, Nathan E. Thompson, Susan G. Larson, Jack T. Stern, Jr., Leng-Feng Lee, Brian R. Umberger.
10 Add to calendar Investigating causal relationships among morphology, kinematics and energetics of bipedal locomotion using musculoskeletal models: forward and inverse dynamic approaches. Naomichi Ogihara, Naohiko Ide, Masaki Hamano, Masato Nakatsukasa.
12 Add to calendar Relating foraging ecology to locomotor economy and limb length in living apes and fossil hominins. Herman Pontzer.
13 Add to calendar Using modern taxa to understand biomechanical variables: Interpreting function from fossil footprints. Brian G. Richmond, Kevin G. Hatala, Heather L. Dingwall, Roshna E. Wunderlich.
14 Add to calendar Modeling hominin swing phase mechanics using humans, chimpanzees, and other primates. Daniel Schmitt, Roshna E. Wunderlich.
16 Add to calendar GRF moment arms about the knee in A.L. 288-1. Adam D. Sylvester, Kristiaan D'Août, Patricia A. Kramer.
18 Add to calendar Is female morphology selected for economy and male morphology selected for efficiency? Evidence from studies on humans. Cara M. Wall-Scheffler, Marcie J. Myers.
19 Add to calendar Inferring hominin activity levels from limb bone remains: insights from a mouse model. Ian J. Wallace, Steven M. Tommasini, Stefan Judex, Theodore Garland Jr., Brigitte Demes.
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