Effect of Geometry Variation on the Mechanical Behavior of the Proximal Femur
Amirhossein Borjali, Mahdi Mohseni, Su Mei Van, Mahmoud Chizari
Journal of Advances in Medicine and Medical Research · pp. 1–9 · Published 26 Nov 2019
10.9734/jammr/2019/v31i330287Abstract
The mechanical behavior of a proximal femur under a normal body weight loading was examined. The geometry of the proximal femur was created in a finite element model using 29 reference points measured on the CT scan images of a patient. Four additional sets of measurements were calculated using ± (1) and ± (2) the standard deviation of the original set and the result of models was compared. The stress distribution and the locations of critical normal and shear stress, as well as the effect of the femur geometry which may be most susceptible to failure were examined. The findings of this study demonstrate an inferior distribution of stress in the plus-standard deviation models and indicate less ability to bear weight. The minus-standard deviation models appear to be better suited to bearing weight and indicate a more even distribution of the stresses generated within the proximal femur.
Cited by 3
Amirhossein Borjali, Amir Nourani, Hadi Moeinnia · BMC Musculoskeletal Disorders · 2021
Amirhossein Borjali, GholamHossein Farrahi, Mahmoud Chizari · Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine · 2023
Pouya Dehestani, Farzam Farahmand, Amirhossein Borjali · Journal of Experimental Orthopaedics · 2022
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