Idiopathic inflammatory myopathies lead to important functional limitations resulting from the loss of muscle strength and endurance, especially in the hip and shoulder, which leads to a significant loss of quality of life for patients. The aim of this study is to correlate the "Myositis Functional Index-3 (FI-3)" with muscle function assessed by computerized isokinetic dynamometry, electromyography and magnetic resonance through an observational study; and to study the effects of a repetitive task training program through an interventional study in patients with inflammatory myopathies. It is expected that FI-3 will present a good correlation with muscle function assessed by computerized isokinetic dynamometry and electromyography, given its reduced cost and less time spent on evaluation. It is also expected to demonstrate that repetitive task training is efficient and safe.
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muscle performance endurance
Timeframe: 2 years
computerized muscle endurance test
Timeframe: 2 years