Patients with inherited muscle diseases can have several problems in their muscles, which can be both structural and metabolic. All the different diseases can affect the contractility of the muscles. The aim of the study is to investigate the relation between muscle strength and contractile cross sectional area (CCSA) in the thigh and calf in patients affected by inherited muscle diseases.
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Muscle CCSA, investigated by Dixon MRI techniques.
Timeframe: MRI scan per subject lasts approximately 60 minutes.
Muscle strength, measured as peak torque, investigated by an isokinetic dynamometer (Biodex 4).
Timeframe: The tests takes less than an hour per subject.