Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Interval exercise training protocol.
| IET periodization | Speed* (m/min) | Duration (set × min) | Rest between workouts (min:s) |
| Acclimatize IET 2 weeks | 5–15 | 2 × 10 | 2:30 |
| The first 2 weeks IET | 20 | 2 × 12 | 3 |
| The second 2 weeks IET | 25 | 3 × 10 | 2:30 |
| The third 2 weeks IET | 20 | 4 × 12 | 3 |
*Grade (%) of treadmill was zero. IET, interval exercise training.
