title: [Force-velocity relationship in normal and chronic obstructive subjects].
mesh_terms: D005652:Functional Residual Capacity; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D009119:Muscle Contraction; D012131:Respiratory Insufficiency / Q000209:etiology*; D013909:Thorax / Q000503:physiopathology*