The type of exercise that has been shown to induce
respiratory muscle fatigue has tended to be of high or maximal intensity (475%
_ VO
), and of relatively short duration (530 min). For example, respiratory muscle fatigue has been observed following maximal cycle exercise to the limit of tolerance , running to the limit of tolerance , heavy submaximal cycling (475%
in the absence of intolerance , and heavy submaximal combinations of cycling and running (475%
in the absence of intoleran