A dynamic analysis of Middle Pleistocene human walking gait adjustment and control

IF 1 4区 地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY
Gerard Saborit, A. Mondanaro, M. Melchionna, C. Serio, F. Carotenuto, S. Tavani, M. Modafferi, Adolfo Panarello, P. Mietto, P. Raia, A. Casinos
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引用次数: 1

Abstract

Understanding the evolution of bipedal locomotion in humans is of paramount importance to paleoanthropologists. Such endeavor requires well-preserved dynamic evidence of fossil human locomotion we are short of. Physical models of modern human locomotion predict individuals would perform voluntary step length adjustment as a function of slope gradient in order to minimize the energetic costof locomotion while maintaining balance and reasonably comfortable gait. The famous Roccamonfina volcano “Devil’s trails”, which are Middle Pleistocene Homo fossilized trackways, provide unique opportunity to validate such predictions for fossil human individuals. We studied the best-preserved Roccamonfina Devil’s trail to ascertain the dynamic behavior of the individual who left the trackway. We found Roccamonfina’s individual moved in a way which is dynamically equivalent to modern humans, adjusting gait as to minimize energy expenditure. We derived body mass and stature estimates for such individual, which fit perfectly with previously published figures for Middle Pleistocene hominins outside Africa.
中更新世人类步态调整与控制的动力学分析
了解人类两足动物运动的进化对古人类学家来说至关重要。这样的努力需要保存完好的人类化石运动的动态证据,而我们却缺乏。现代人类运动的物理模型预测,个体将根据坡度进行自主步长调整,以最大限度地减少运动的能量成本,同时保持平衡和合理舒适的步态。著名的罗卡蒙菲纳火山“魔鬼之路”是中更新世人化石轨道,为验证人类化石个体的这种预测提供了独特的机会。我们研究了保存最完好的Roccaonfina魔鬼踪迹,以确定离开轨道的个人的动态行为。我们发现Roccaonfina的个体以一种与现代人类动态等效的方式移动,调整步态以最大限度地减少能量消耗。我们得出了这类个体的体重和身高估计值,这与之前公布的非洲以外更新世中期原始人的数据完全吻合。
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来源期刊
Italian Journal of Geosciences
Italian Journal of Geosciences GEOSCIENCES, MULTIDISCIPLINARY-
CiteScore
2.90
自引率
11.10%
发文量
25
审稿时长
>12 weeks
期刊介绍: The Italian Journal of Geosciences (born from the merging of the Bollettino della Società Geologica Italiana and the Bollettino del Servizio Geologico d''Italia) provides an international outlet for the publication of high-quality original research contributions in the broad field of the geosciences. It publishes research papers, special short papers, review papers, discussion-and-replies for their rapid distribution to the international geosciences community. The journal is firstly intended to call attention to the Italian territory and the adjacent areas for the exceptional role they play in the understanding of geological processes, in the development of modern geology and the Earth sciences in general. The main focus of the journal is on the geology of Italy and the surrounding sedimentary basins and landmasses, and on their relationships with the Mediterranean geology and geodynamics. Nevertheless, manuscripts on process-oriented and regional studies concerning any other area of the World are also considered for publication. Papers on structural geology, stratigraphy, sedimentology, basin analysis, paleontology, ecosystems, paleoceanography, paleoclimatology, planetary sciences, geomorphology, volcanology, mineralogy, geochemistry, petrology, geophysics, geodynamics, hydrogeology, geohazards, marine and engineering geology, modelling of geological process, history of geology, the conservation of the geological heritage, and all related applied sciences are welcome.
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