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MEDICINA DELLO SPORT
A Journal on Sports Medicine
Official Journal of the Italian Sports Medicine Federation
Indexed/Abstracted in: BIOSIS Previews, EMBASE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,163
Medicina dello Sport 2016 March;69(1):108-16
language: English, Italian
Does isokinetic exercise adversely affect femoral cartilage thickness measured by ultrasonography in knee osteoarthritis?
Zafer GÜNENDI 1, Sirin AKBULUT AKYÜREK 1, Ozden OZYEMISCI TASKIRAN 1, Bilge KESIKBURUN 2, Selma YANPAL 1, Jale MERAY 1, Feride GÖĞÜŞ 1
1 Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Gazi University, Ankara, Turkey; 2 Department of Physical Medicine and Rehabilitation, Dışkapı Yıldırım Beyazıt Research and Training Hospital, Ankara, Turkey
BACKGROUND: Isokinetic exercise had major clinical benefits in patients with knee osteoarthritis. The aim of this study is to evaluate the effect of isokinetic exercise program on femoral cartilage thickness in patients with knee osteoarthritis.
METHODS: Forty-four patients (mean age 55 years) who have bilateral femorotibial osteoarthritis were included in the study. Pain, functionality and ultrasonographic femoral cartilage thickness of all participants were evaluated. Patients were randomly assigned to two groups as isokinetic exercise group and control group. Exercise group attended a supervised exercise program consisted of isokinetic, isometric exercise of knee flexor and extensor muscles and knee range of motion exercises five times a week for three weeks. Control group attended the same exercise program except isokinetic exercise. After the end of exercise program, clinical and ultrasonographic evaluations were repeated by the same physiatrist who was blinded to the study groups.
RESULTS: In both groups, there were significant improvements in pain and functional scores after treatment protocols (P<0.05). The mean differences in pain and functional scores between the groups were not significant (P>0.05). No significant differences were found in ultrasonographic cartilage thickness measures after treatment in both groups (P>0.05).
CONCLUSIONS: The effect of strengthening program including isokinetic exercise on knee cartilage were similar to that of strengthening program without isokinetic exercise. Isokinetic exercise had no adverse effect on knee cartilage thickness measured by ultrasonography.