The effect of isokinetic muscle strength training on osteoarthritis of the knee joint

TL;DRAbstract

The purpose of this study was to determine if an eight-week isokinetic muscle strength training program would improve the functional health status of patients with osteoarthritis of the knee joint. Twenty volunteers with osteoarthritis of the knee joint were randomly assigned to an experiment (N = 10; 64.5 $\pm$ 5.5 years) or control (N = 10; 68.4 $\pm$ 8.7 years) group. The experiment group completed three sets of five maximal contractions three times per week for eight weeks on a Cybex II dynamometer at 90$\sp\circ$ per second. Both groups were pre- and post-tested for extension and flexion strength of the right and left legs, the 50-foot walk time, range of motion at the knee joint, the Osteoarthritis Screening Index (OASI), and the Arthritis Impact Measurement Scale (AIMS). Repeated measures ANOVA indicated there was a significant $(p<0.01)$ decrease in pain and stiffness and increased mobility as well as a significant $(p<0.001)$ decline in arthritis activity in the experiment gro

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