Patellofemoral cartilage stresses are most sensitive to variations in vastus medialis muscle forces

S Pal, TF Besier, GE Gold, M Fredericson… - Computer methods in …, 2019 - Taylor & Francis
The purpose of this study was to evaluate the effects of variations in quadriceps muscle
forces on patellofemoral stress. We created subject-specific finite element models for 21 …

[HTML][HTML] The role of cartilage stress in patellofemoral pain

TF Besier, S Pal, CE Draper… - Medicine and science …, 2015 - ncbi.nlm.nih.gov
Purpose Elevated cartilage stress has been identified as a potential mechanism for
retropatellar pain; however, there are limited data in the literature to support this mechanism …

Changes in patellofemoral joint contact pressures caused by vastus medialis muscle weakness

A Sawatsky, D Bourne, M Horisberger, A Jinha… - Clinical …, 2012 - Elsevier
BACKGROUND: Patellofemoral joint pain is a common knee disorder, but its underlying
causes remain unknown. One proposed mechanism is an imbalance in force in the knee …

[PDF][PDF] A modeling framework to estimate patellofemoral joint cartilage stress in vivo

TF Besier, GE Gold, GS Beaupré… - Medicine & Science in …, 2005 - academia.edu
ABSTRACT BESIER, TF, GE GOLD, GS BEAUPRÉ, and SL DELP. A Modeling Framework to
Estimate Patellofemoral Joint Cartilage Stress In Vivo. Med. Sci. Sports Med., Vol. 37, No …

[HTML][HTML] Individuals with patellofemoral pain exhibit greater patellofemoral joint stress: a finite element analysis study

S Farrokhi, JH Keyak, CM Powers - Osteoarthritis and Cartilage, 2011 - Elsevier
OBJECTIVE: To test the hypothesis that individuals with patellofemoral pain (PFP) exhibit
greater patellofemoral joint stress profiles compared to persons who are pain-free …

[HTML][HTML] Effects of simulated vastus medialis strength variation on patellofemoral joint biomechanics in human cadaver knees.

TQ Lee, MD Sandusky, A Adeli… - Journal of rehabilitation …, 2014 - escholarship.org
Selective strengthening of the vastus medialis (VM) muscle is a conservative treatment used
to address some patellofemoral joint (PFJ) problems. The objective of this study was to …

Knee muscle forces during walking and running in patellofemoral pain patients and pain-free controls

TF Besier, M Fredericson, GE Gold, GS Beaupré… - Journal of …, 2009 - Elsevier
One proposed mechanism of patellofemoral pain, increased stress in the joint, is dependent
on forces generated by the quadriceps muscles. Describing causal relationships between …

The role of muscle strength & activation patterns in patellofemoral pain

H Toumi, TM Best, A Pinti, C Lavet, CL Benhamou… - Clinical …, 2013 - Elsevier
BACKGROUND: To investigate the extent to which quadriceps muscle activation and
strength are responsible for patellofemoral pain. METHODS: A pain on–off switch system …

The influence of weakness in the vastus medialis oblique muscle on the patellofemoral joint: an in vitro biomechanical study

N Sakai, ZP Luo, JA Rand, KN An - Clinical Biomechanics, 2000 - Elsevier
Objective. Investigation of the influence of weakness in the vastus medialis oblique muscle
on patellar tracking. Design. In vitro biomechanical study. Background. Currently, the …

In vivo strain of the medial vs. lateral quadriceps tendon in patellofemoral pain syndrome

NA Wilson, JM Press, LQ Zhang - Journal of applied …, 2009 - journals.physiology.org
Patellofemoral pain (PFP) is thought to be related to patellar maltracking due to imbalances
in the knee extensor. However, no study has evaluated the in vivo biomechanical properties …