Özet:

Osteoarthritis is the most common type of arthritis and knee is the most frequently affected joint. Several risk factors including age, gender, body mass index and quadriceps muscle strength may contribute to knee osteoarthritis. Quadriceps muscle is the dynamic stabilizer of the knee. Besides the studies arguing that quadriceps muscle weakness might lead to knee osteoarthritis, there are also studies suggesting that muscle weakness might occur due to knee osteoarthritis. Authors, arguing that quadriceps muscle weakness has a deteriorating affect on knee osteoarthritis, also come to a conclusion that strengthening this muscle has a beneficial effect on knee osteoarthritis. Isometric, isotonic and isokinetic exercises are used in order to strengthen this muscle. Quantitative measurement of the muscle strength, as well as isokinetic exercises can be performed with the help of isokinetic devices. Isokinetic evaluation and isokinetic exercises in knee osteoarthritis are overviewed in this review.

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