Presence or Absence of Skeletal Muscle Dysfunction in Chronic Obstructive Pulmonary Disease is Associated With Distinct Phenotypes Clayton L. Cruthirds; Barbara S. van der Meij; Agata Wierzchowska-McNew; Nicolaas E.P. Deutz; Mariëlle P.K.J. Engelen;

Impact of Physical Activity and Exercise on Chronic Obstructive Pulmonary Disease Phenotypes: The Relevance of Muscle Adaptation Esther Barreiro;

The Influence of Lung Function and Respiratory Muscle Strength on Quadriceps Muscle Fatigability in COPD Patients Under Long-term Oxygen Therapy Mara Paneroni; Alessandro Cavicchia; Salvi Beatrice; Laura Bertacchini; Massimo Venturelli; Michele Vitacca;