Regular football training improves lung diffusion capacity in boys aged 6 to 10 years | BMC Sports sciences

  Attendees The required sample size was calculated using G*Power (version 3.1, University of Düsseldorf, Germany) [21]. The a priori power analysis was calculated with an assumed power of 0.90, an alpha level of 0.01 and an effect size of Cohen’s f = 0.26 for pulmonary diffusion capacity (TL) [10]. The analysis showed that a…