Table 1 Field running protocol for identifying exercise-induced bronchoconstriction in children
GroupChildren aged 6–11 yrs
MeasurementFEV1 at 3, 5 and 10 mins, and more if required; FEV1 % pred pre-exercise: ≥75%
Mode of exerciseFree running on the flat at 7 km·h−1
Index of intensity85–90% pred of maximum; heart rate of 180–190 beats·min−1
Duration6 mins
Inspired airAbsolute water content <10 mgH2O·L−1 equivalent to 23°C <50% relative humidity
VentilatingVia mouth with nose-clip in place
Positive responseFEV1 % decrease ≥13%

  • FEV1: forced expiratory volume in 1 s; % pred: % predicted. Modified from [6] with permission from the publisher.