Figure 1. Chronological changes of the PEFR of male and female subjects. *Significantly different from pre-exercise value (P < 0.05)

From

Swimming Exercises Increase Peak Expiratory Flow Rate in Elderly Men

Kaori Sato, Yu Konishi, Masakatsu Nakada, Tadayoshi Sakurai

American Journal of Sports Science and Medicine. 2013, 1(4), 56-58 doi:10.12691/ajssm-1-4-1