1. Exercise Conditioning and Cardiopulmonary Fitness in Cystic Fibrosis
David M. Orenstein, M.D., Barry A. Franklin, Ph.D., Carl F. Doershuk, M.D., Herman K. Hellerstein, M.D., Kathe J. Germann, Jay G. Horowitz, Ph.D., Robert C. Stern, M.D. 
CHEST 
Volume 80, Issue 4, Pages (October 1981)
DOI: /chest
Copyright © 1981 The American College of Chest Physicians Terms and Conditions

2. Figure 1
Selected initial exercise data on all patients in study, including heart rates (bpm) at maximum, peak oxygen consumption (ml/kg/min), and proportion of maximum breathing capacity used during maximum exercise. Broken lines indicate group means; shaded areas indicate normal ranges.
CHEST  , DOI: ( /chest )
Copyright © 1981 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Initial pulmonary functions of all patients in study, including VC as percent predicted for height; MBC as percent predicted for height; FEV1 as percent of VC; and RV/TLC. Broken lines indicate group means; shaded areas indicate normal ranges.
CHEST  , DOI: ( /chest )
Copyright © 1981 The American College of Chest Physicians Terms and Conditions

4. Figure 3
Peak oxygen consumption of exercise group (left) and control group (right) before and after three-month conditioning program. Shaded area indicates normal range.
CHEST  , DOI: ( /chest )
Copyright © 1981 The American College of Chest Physicians Terms and Conditions

5. Figure 4
Slope of heart rate vs work curve (bpm/kpm/min) for exercise (left) and control group (right) before (B) and after (A) three-month program.
CHEST  , DOI: ( /chest )
Copyright © 1981 The American College of Chest Physicians Terms and Conditions