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. 2024 May 3;14(5):e081660. doi: 10.1136/bmjopen-2023-081660

Table 3.

Aerobic exercise progression (based on maximum heart rate; high intensity added in later weeks to facilitate continued cardiorespiratory fitness improvement)

Week Intensity Max heart rate (%) Duration (min) Frequency per week
1–4 Moderate-intensity, continuous 60–75 20–35 3
5–7 Moderate-intensity, continuous 75 40 2
High-intensity interval 85–90 20–22 1
8–10 Moderate-intensity, continuous 75 40 1
High-intensity interval 85–90 22–28 2