3 ms·Every hour, they do a workout that consists of 5 repetitions of 4s sprints.by mgraczyk 7y agoEvery hour, they do a workout that consists of 5 repetitions of 4s sprints.Freeboots 7y agoAh, this is probably what they meant. Very poorly explained by them.m463 7y agoJira is confusing too.danmur 7y agoEspecially if your sprints are four seconds long