From: Feasibility of a progressive protocol of high-intensity interval training for overweight/obese, sedentary African American women: a retrospective analysis
Stage
Average for
RPE
1
Weeks 1–3
16.0 ± 2.0
2
Weeks 4–5
16.9 ± 2.3
3
Weeks 6–7
17.6 ± 1.9
4
Weeks 8–14
17.4 ± 1.2