Thigh muscle cross-sectional areas and strength in knees with early vs knees without radiographic knee osteoarthritis: a between-knee, within-person comparison

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Presentation transcript:

Thigh muscle cross-sectional areas and strength in knees with early vs knees without radiographic knee osteoarthritis: a between-knee, within-person comparison A.S. Ruhdorfer, T. Dannhauer, W. Wirth, S. Cotofana, F. Roemer, M. Nevitt, F. Eckstein Osteoarthritis and Cartilage Volume 22, Issue 10, Pages 1634-1638 (October 2014) DOI: 10.1016/j.joca.2014.06.002 Copyright © 2014 Osteoarthritis Research Society International Terms and Conditions

Fig. 1 A. Coronal localizer image: 15 continuous axial slices of the thigh have been acquired. B. Participants (right top). For the current study we selected participants with early RKOA in one knee and no RKOA in the contralateral knee on fixed-flexion X-rays (right top). C–D. Axial cross-sectional MRIs with segmented muscles. ACSAs of the quadriceps (pink), hamstrings (red), and adductors (yellow) have been segmented at 33% of femoral length (from distal to proximal) (C). ACSAs of the individual quadriceps heads vastus medialis (brown), vastus intermedius (turquoise), vastus lateralis (yellow), and rectus femoris (purple) have been segmented at 30% of femoral length (from proximal to distal) (D). Osteoarthritis and Cartilage 2014 22, 1634-1638DOI: (10.1016/j.joca.2014.06.002) Copyright © 2014 Osteoarthritis Research Society International Terms and Conditions