Do a four-minute run with an effort level of eight out of ten. Following that, walk for two minutes to recuperate at a degree of effort equal to one out of ten. There should be three repetitions of both walking and running.
Do a four-minute run with an effort level of eight out of ten. Following that, walk for two minutes to recuperate at a degree of effort equal to one out of ten. There should be three repetitions of both walking and running.