Table 1.

Progression of high-intensity interval training protocol for children and adolescents with CF

Week	Warm up	Bout	est	Cool down	Training time	Total time
1	5 min	6 sprints / 20 s	2 min	5 min	14 min	24 min
2	5 min	6 sprints / 20 s	2 min	5 min	14 min	24 min
3	5 min	8 sprints / 20 s	2 min	5 min	18 min 40 s	28 min 40 s
4	5 min	8 sprints / 20 s	2 min	5 min	18 min 40 s	28 min 40 s
5	5 min	8 sprints / 30 s	2 min	5 min	20 min	30 min
6	5 min	8 sprints / 30 s	2 min	5 min	20 min	30 min
7	5 min	10 sprints / 30 s	2 min	5 min	25 min	35 min
8	5 min	10 sprints / 30 s	2 min	5 min	25 min	35 min