Revisiting scoliosis in the KNM-WT 15000 Homo erectus skeleton
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چکیده
منابع مشابه
Revisiting scoliosis in the KNM-WT 15000 Homo erectus skeleton.
Owing to its completeness, the 1.5 million year old Nariokotome boy skeleton KNM-WT 15000 is central for understanding the skeletal biology of Homo erectus. Nevertheless, since the reported asymmetries and distortions of Nariokotome boy's axial skeleton suggest adolescent idiopathic scoliosis, possibly associated with congenital skeletal dysplasia, it is questionable whether it still can be use...
متن کاملNew vertebral and rib material point to modern bauplan of the Nariokotome Homo erectus skeleton.
The double S shape of the vertebral column is one of the most important evolutionary adaptations to human bipedal locomotion, providing an optimal compromise between stability and mobility. It is commonly believed that a six element long lumbar spine facilitated the critical adoption of lumbar lordosis in early hominins, which contrasts with five lumbars in modern humans and four in chimpanzees...
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The Quaternary tract of Narmada basin covers an area of abut 12950 sq.km starting from west of Jabalpur (2307790530) to east of Handia (22 29’; 76 58’) for a distance of about 320 km. It is found to be ideal locus of Quaternary sedimentation in Central India, as witnessed by multi-cyclic sequence of Quaternary terraces in the valley. The total estimated thickness of Quaternary sediments in the ...
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Analyses of the KNM-WT 15000 Homo erectus juvenile male partial skeleton from Kenya concluded that this species had a tall thin body shape due to specialized locomotor and climatic adaptations. Moreover, it was concluded that H. erectus pelves were obstetrically restricted to birthing a small-brained altricial neonate. Here we describe a nearly complete early Pleistocene adult female H. erectus...
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The modern human face differs from that of our early ancestors in that the facial profile is relatively retracted (orthognathic). This change in facial profile is associated with a characteristic spatial distribution of bone deposition and resorption: growth remodeling. For humans, surface resorption commonly dominates on anteriorly-facing areas of the subnasal region of the maxilla and mandibl...
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ژورنال
عنوان ژورنال: Journal of Human Evolution
سال: 2014
ISSN: 0047-2484
DOI: 10.1016/j.jhevol.2013.12.009