Animal biomechanics is no different: studies have determined inertial biometry for ergonomic reasons in specific animals (e.g. Starting from men ( Dempster, 1955) and women ( Young et al., 1983), BSPs of infants and children ( Schneider and Zernicke, 1992 Ganley and Powers, 2004), overweight and obese subjects ( Chambers et al., 2010 Merrill et al., 2019) and the elderly ( Pavol et al., 2002) have been increasingly researched in the last two decades.
Yeadon, 1990) and kinetic outcomes ( Nguyen and Reynolds, 2014 Fritz et al., 2019). In parallel, there is a growing need for body segment inertial parameters (BSPs or, more generally encompassing humans and animal species, inertial biometry) to move from the ‘standard’ man to a variety of other body shapes, as its accuracy is well known to affect modelling (e.g. The diffusion of optoelectronic analysis systems has expanded the kinematic and kinetic research spectrum. 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. 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 sequence of steps from virtually chopping the mesh to the estimation of inertial parameters of body segments is described.
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. This restricted the inertial archives to a few species. 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.
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