Janne E. M. Koivumäki

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The objective of this experimental finite element (FE) study was to assess the accuracy of a simulation model estimate of the experimentally measured fracture load of the proximal femur in a sideways fall. Sixty-one formalin-fixed cadaver femora (41 female and 20 male) aged 55-100 years (an average of 80 years) were scanned with a multi-detector CT scanner(More)
Finite element (FE) modelling has been proposed as a tool for estimating fracture risk and patient-specific FE models are commonly based on computed tomography (CT). Here, we present a novel method to automatically create personalised 3D models from standard 2D hip radiographs. A set of geometrical parameters of the femur were determined from seven a-p hip(More)
Highly accurate nonlinear finite element (FE) models have been presented to estimate bone fracture load. However, these complex models require high computational capacity, which restricts their clinical applicability. The objective of this experimental FE study was to assess the predictive value of a more simple cortical bone simulation model in the(More)
Introduction: Predictors of fracture risk differ between cervical and trochanteric hip fractures. The aim of this experimental study was therefore to investigate whether two-dimensional (2D) finite element (FE) models, generated from standard radiographs, are able to predict and discriminate fracture types, originating from a simulated fall on the greater(More)
The objective of this experimental finite element (FE) study is to test the hypothesis that strain distributions coincide with the occurrence of cervical versus trochanteric hip fractures during loading conditions simulating a sideways fall, and that the cervical versus trochanteric principal strain ratio predicts different fracture patterns. Cadaver femora(More)
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