Mechanics of breathing during exercise

We studied the effects of exercise on lung mechanics in young and older individuals. A constant pressure body plethysmograph was adapted to contain the pedals of a cycle ergometer, and the problems of vibration and temperature control were overcome. Two groups of healthy non smoking males, with no history of lung disease took part: 6 young subjects, aged 23-29, mean 25 yr were compared to 6 older subjects aged 48-65, mean 54 yr. Measurements of …