Individuals with patellofemoral pain exhibit greater patellofemoral joint stress: a finite element analysis study S. Farrokhi, J.H. Keyak, C.M. Powers

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Presentation transcript:

Individuals with patellofemoral pain exhibit greater patellofemoral joint stress: a finite element analysis study S. Farrokhi, J.H. Keyak, C.M. Powers Osteoarthritis and Cartilage Volume 19, Issue 3, Pages 287-294 (March 2011) DOI: 10.1016/j.joca.2010.12.001 Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

Fig. 1 The experimental set up for the squat maneuver used to estimate quadriceps muscle forces. Osteoarthritis and Cartilage 2011 19, 287-294DOI: (10.1016/j.joca.2010.12.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

Fig. 2 Representative FE model of the patellofemoral joint. Osteoarthritis and Cartilage 2011 19, 287-294DOI: (10.1016/j.joca.2010.12.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

Fig. 3 Subject-specific input parameters used to create FE models of the patellofemoral joint. Osteoarthritis and Cartilage 2011 19, 287-294DOI: (10.1016/j.joca.2010.12.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

Fig. 4 Results for the mesh convergence analysis performed on the patella cartilage elements. Osteoarthritis and Cartilage 2011 19, 287-294DOI: (10.1016/j.joca.2010.12.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions

Fig. 5 Representative patellofemoral joint contact pressure profiles of a control and a PFP subject at 15° and 45° of knee flexion. (L=lateral, M=medial). Osteoarthritis and Cartilage 2011 19, 287-294DOI: (10.1016/j.joca.2010.12.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions