Further consideration of the curvature of the Neandertal Femur. Issue 1 (11th October 2017)
- Record Type:
- Journal Article
- Title:
- Further consideration of the curvature of the Neandertal Femur. Issue 1 (11th October 2017)
- Main Title:
- Further consideration of the curvature of the Neandertal Femur
- Authors:
- Chapman, Tara
Sholukha, Victor
Semal, Patrick
Louryan, Stéphane
Van Sint Jan, Serge - Abstract:
- Abstract: Objectives: Neandertal femora are particularly known for having a marked sagittal femoral curvature. This study examined femoral curvature in Neandertals in comparison to a modern human population from Belgium by the use of three‐dimensional (3D) quadric surfaces modeled from the bone surface. 3D models provide detailed information and enabled femoral curvature to be analyzed in conjunction with other morphological parameters. Materials and Methods: 3D models were created from CT scans of 75 modern human femora and 7 Neandertal femora. Quadric surfaces (QS) were created from the triangulated surface vertices in all areas of interest (neck, head, diaphyseal shaft, condyles) extracted from previously placed anatomical landmarks. The diaphyseal shaft was divided into five QS shapes and curvature was measured by degrees of difference between QS shapes. Each bone was placed in a local coordinate system enabling each bone to be analyzed in the same way. Results: The use of 3D quadric surface fitting allowed the distribution of curvature with similarly curved femora to be analyzed and the different patterns of curvature between the two groups to be determined. The Neandertals were shown to have a higher degree of femoral curvature and a more distal point of femoral curvature than the modern human population from Belgium. Conclusions: Morphological aspects of the Neandertal femur are different from this modern human population although mainly seem unrelated to femoralAbstract: Objectives: Neandertal femora are particularly known for having a marked sagittal femoral curvature. This study examined femoral curvature in Neandertals in comparison to a modern human population from Belgium by the use of three‐dimensional (3D) quadric surfaces modeled from the bone surface. 3D models provide detailed information and enabled femoral curvature to be analyzed in conjunction with other morphological parameters. Materials and Methods: 3D models were created from CT scans of 75 modern human femora and 7 Neandertal femora. Quadric surfaces (QS) were created from the triangulated surface vertices in all areas of interest (neck, head, diaphyseal shaft, condyles) extracted from previously placed anatomical landmarks. The diaphyseal shaft was divided into five QS shapes and curvature was measured by degrees of difference between QS shapes. Each bone was placed in a local coordinate system enabling each bone to be analyzed in the same way. Results: The use of 3D quadric surface fitting allowed the distribution of curvature with similarly curved femora to be analyzed and the different patterns of curvature between the two groups to be determined. The Neandertals were shown to have a higher degree of femoral curvature and a more distal point of femoral curvature than the modern human population from Belgium. Conclusions: Morphological aspects of the Neandertal femur are different from this modern human population although mainly seem unrelated to femoral curvature. The relative lack of correlations with other femoral bony morphological factors suggests femoral curvature variations may be related to other aspects. … (more)
- Is Part Of:
- American journal of physical anthropology. Volume 165:Issue 1(2018)
- Journal:
- American journal of physical anthropology
- Issue:
- Volume 165:Issue 1(2018)
- Issue Display:
- Volume 165, Issue 1 (2018)
- Year:
- 2018
- Volume:
- 165
- Issue:
- 1
- Issue Sort Value:
- 2018-0165-0001-0000
- Page Start:
- 94
- Page End:
- 107
- Publication Date:
- 2017-10-11
- Subjects:
- fossil -- sagittal -- 3D -- quadric
Physical anthropology -- Periodicals
Anthropology -- Periodicals
Anthropologie physique -- Périodiques
599.9 - Journal URLs:
- http://onlinelibrary.wiley.com/ ↗
- DOI:
- 10.1002/ajpa.23334 ↗
- Languages:
- English
- ISSNs:
- 0002-9483
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 0832.000000
British Library DSC - BLDSS-3PM
British Library STI - ELD Digital store - Ingest File:
- 5587.xml