PMID: 15235330Jul 6, 2004Paper

The effect of bracing on patella alignment and patellofemoral joint contact area

Medicine and Science in Sports and Exercise
Christopher M PowersMichael R Terk

Abstract

To examine the influence of two patellofemoral braces on pain response, patellar alignment, and patellofemoral joint contact area in persons with patellofemoral pain. Fifteen women between the ages of 18 and 45 yr with a diagnosis of patellofemoral pain participated. After the assessment of pain response using a visual analog scale, subjects underwent axial plane magnetic resonance imaging of patellofemoral joint at 0 degrees, 20 degrees, 40 degrees, and 60 degrees of knee flexion. Imaging was done with the knee extensors contracted (25% body weight) under three conditions: 1) no brace, 2) On-Track brace, and 3) Patellar Tracking Orthosis (PTO). Measures of mediolateral patellar displacement and tilt and medial and lateral facet contact area were obtained from the magnetic resonance images. On average, the On-Track brace reduced symptoms by 50%, whereas the PTO reduced pain by 44%. When averaged across all knee flexion angles, the PTO and the On-Track brace significantly increased total patellofemoral joint contact area by 52.0 mm (21%) and 59.3 mm (24%), respectively, when compared with the no-brace condition. Bracing had no influence on lateral patellar tilt; however, small but significant changes in lateral patellar displace...Continue Reading

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Citations

Oct 18, 2007·The Journal of Orthopaedic and Sports Physical Therapy·Gretchen B Salsich, William H Perman
Jun 5, 2012·The Journal of Orthopaedic and Sports Physical Therapy·Christopher M PowersFrancis T Sheehan
May 4, 2010·The Journal of Orthopaedic and Sports Physical Therapy·Richard B SouzaChristopher M Powers
Jan 21, 2014·PM & R : the Journal of Injury, Function, and Rehabilitation·Ryan SolinskyMichael Fredericson
Jul 6, 2014·Clinics in Sports Medicine·Laurie Anne HiemstraChristopher Irving
Aug 27, 2014·The Journal of Orthopaedic and Sports Physical Therapy·Hsiang-Ling Teng, Christopher M Powers
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Aug 9, 2008·Rheumatic Diseases Clinics of North America·K Douglas Gross, Howard J Hillstrom
May 5, 2007·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Julian Ashley FellerChristopher M Powers
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Aug 2, 2007·American Journal of Physical Medicine & Rehabilitation·Kelvin T L ChewMichael Fredericson

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