A large amount of patients with COPD suffer from muscle dysfunction characterized by losses of muscle mass and strength. Studies have shown an association between a loss of quadriceps muscle mass and premature death. This study aims to investigate the clinimetric properties of a simple quadriceps perimetry and ShearWave elastography to improve the monitoring of skeletal muscle function in patients with COPD.
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Perimetry of the quadriceps
Timeframe: At day 1 and after 5 weeks (at the end of the 5 weeks pulmonary rehabilitation program)
Quadriceps stiffness
Timeframe: At day 1 and after 5 weeks (at the end of the 5 weeks pulmonary rehabilitation program)