Vastus medialis cross-sectional area is associated with patella cartilage defects and bone volume in healthy women

Osteoarthritis and Cartilage
P A BerryF M Cicuttini

Abstract

Although vastus medialis and vastus lateralis are important muscular determinants of patellofemoral joint function, it is unclear how these muscles relate to the structure of the patellofemoral joint. The aim of this cross-sectional study was to determine the relationship between the vasti muscles and patella cartilage volume and defects and patella bone volume. One hundred and seventy-five women, aged 40-67 years, with no knee pain or clinical lower-limb disease had magnetic resonance imaging (MRI) of their dominant knee. The cross-sectional areas of the distal vastus medialis and lateralis were measured 37.5mm superior to the quadriceps tendon insertion at the proximal pole of the patella. Patella cartilage volume and defects and patella bone volume were measured from these images using validated methods. There was no significant association between the distal vastus medialis cross-sectional area and patella cartilage volume. For every 1mm(2) increase in the distal vastus medialis cross-sectional area, there was an associated increased risk of patella cartilage defects [odds ratio (OR): 1.2; 95% confidence interval (CI) 1.004, 1.5; P=0.05], and an associated increase in patella bone volume (OR: 3.9; 95% CI 2.0, 5.8; P<0.001) ...Continue Reading

References

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Citations

Oct 19, 2010·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Defne KayaMahmut Nedim Doral
Aug 26, 2014·Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft·M SattlerF Eckstein
Apr 25, 2012·Osteoarthritis and Cartilage·H F HartK M Crossley

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