Are control and strength altered in patellofemoral pain?

Is there a link between poor lower limb strength/ control and the development of patellofemoral pain syndrome?

This study compared ground reaction forces, lower limb kinematics, muscle activity and lower limb strength of runners with and without PFPS (n=41). After initial analysis the authors reported no between group differences. However, after sub-classification of subjects, female runners with PFPS and a rear foot strike showed significantly greater hip ADDuction at toe off and lower gluteus medius activation.

This study suggests that female gender and rear foot strike running can be linked to PFPS. 

The authors found no link between reduced lower limb strength and PFPS.

> From: Esculier et al., Gait Posture 41 (2015-10-19 08:55:33) 813-819 . All rights reserved to 2015 Elsevier B.V. Click here for the online summary.

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