Fig. 1From: Association of physical activity with lung function in lung-healthy German adults: results from the KORA FF4 studySelection of participants. KORA: Cooperative Health Research in the Region of Augsburg. ATS: American Thoracic Society. ERS: European Respiratory Society. COPD: chronic obstructive pulmonary disease. FEV1: forced expiratory volume in 1Â s. FVC: forced vital capacity. TLCO/VA: transfer factor of the lung for carbon monoxide adjusted for hemoglobin and divided by alveolar volume. PImax: maximum inspiratory mouth pressureBack to article page