The relationship between radiological severity and functional status in patients with knee osteoarthritis.

Clin Rheumatol 2014 May 2;33(5):667-70. Epub 2014 Feb 2.

Department of Physical Medicine and Rehabilitation, Akdeniz University Medical School, Akdeniz Üniversitesi Tıp Fakültesi FTR AD, Antalya, Turkey,

In this study, we aimed to explore the relationship between radiological findings and functional status in patients with knee osteoarthritis (OA). In this study, 117 female patients diagnosed with knee osteoarthritis according to the ACR criteria were included. Antero-posterior knee radiographs of the patients were graded according to Kellgren-Lawrence, and functional capacity was evaluated with WOMAC and Lequesne indexes. Quadriceps and hamstring muscle strengths were also concentrically measured using an isokinetic dynamometer, five repetitions at 90°/s and 20 repetitions at 180°/s. In this study, a significant relationship was determined between the age, weight, praying period, and pain period of the patients with the radiological findings. No significant relationship was determined between the functional capacity of knee and muscle strength and the radiological findings. However, left hamstring functioning capacity was found as lower in the group with the radiological findings. The radiological findings in knee OA are not associated with decrease in knee muscle strength and functional capacity. Clinical symptoms such as pain, decrease in range of motion, etc. in knee OA may be responsible for decrease in knee muscle strength and functional capacity.

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http://dx.doi.org/10.1007/s10067-014-2511-8DOI Listing
May 2014
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