期刊
BIOLOGY OPEN
卷 11, 期 3, 页码 -出版社
COMPANY BIOLOGISTS LTD
DOI: 10.1242/bio.058927
关键词
Inertia; 3D mesh; Man; Woman; Horse; Cat
类别
资金
- University of Milan through the APC initiative
In the past, inertial parameters of body segments were obtained through cadavers, medical 3D imaging, 3D scanning, or geometric approximations, limiting the data to a few species. This study presents a method using commercial 3D meshes of human and animal bodies that can be adjusted and posed according to an underlying skeletal structure for better accuracy. The proposed procedure expands the possibilities of biomechanics research, especially when body size and shape change or external tools are involved.
Body segments inertial parameters (or, more generally encompassing humans and animal species, inertial biometry), often necessary in kinetics calculations, have been obtained in the past from cadavers, medical 3D imaging, 3D scanning, or geometric approximations. This restricted the inertial archives to a few species. The methodology presented here uses commercial 3D meshes of human and animal bodies, which can be further re-shaped and 'posed', according to an underlying skeletal structure, before processing. The sequence of steps from virtually chopping the mesh to the estimation of inertial parameters of body segments is described. The accuracy of the method is tested by comparing the estimated results to real data published for humans (male and female), horses, and domestic cats. The proposed procedure opens the possibility of remarkably expanding biomechanics research when body size and shape change, or when external tools, such as prosthesis and sport material, take part in biological movement.
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