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Table 1 Heart rate zone and duration zone

From: Planning a sports training program using Adaptive Particle Swarm Optimization with emphasis on physiological constraints

HR zone HR (bpm) HR (% of FTHR) Duration zone Duration (min)
0 51–81 30.91–49.09 0 30
1 82–112 49.7–67.88 1 60
2 113–124 68.48–75.15 2 90
3 137–146 75.76–82.42 3 120
4 137–146 83.03–88.48 4 150
5 147–155 89.09–93.94 5 180
6 156–165 94.55–100.00 6 210
7 166–173 100.61–104.85 7 240
8 174–181 105.45–109.70 8 270
9 182–189 110.30–114.55 9 300