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. 2021 Aug 19;9(16):e14951. doi: 10.14814/phy2.14951

TABLE 2.

Exercise training data from the 6 weeks of training in HIIT and MICT. The percentage of maximal heart rate and peak output values are the mean across the sessions in each week, and the iTRIMP and relative total work values are the sum of the sessions in each week

Week 1 Week 2 Week 3 Week 4 Week 5 Week 6
HIIT %HRmax 75.7 ± 3.5% 75.7 ± 3.2% 75.1 ± 3.8% 75.1 ± 3.7% 74.9 ± 4.2% 73.6 ± 3.7%
%HRmax adjusted 88.9 ± 3.7% 89.5 ± 3.2% 88.8 ± 3.4% 88.8 ± 3.2% 89.5 ± 3.0% 88.4 ± 2.8%
%POpeak 47.9 ± 4.2% 49.3 ± 3.6% 50.3 ± 3.7% 50.9 ± 3.8% 51.7 ± 3.6% 52.2 ± 3.6%
%POpeak adjusted 79.4 ± 5.8% 82.9 ± 4.3% 85.5 ± 4.6% 87.1 ± 5.0% 89.2 ± 4.6% 90.6 ± 4.9%
iTRIMP 13824 ± 6549 A.U. 13400 ± 6992 A.U. 14053 ± 6257 A.U. 13362 ± 5741 A.U. 13631 ± 7258 A.U. 8352 ± 5450 A.U.
Relative total work 8.9 ± 1.4 kJ/kg 9.2 ± 1.4 kJ/kg 9.4 ± 1.4 kJ/kg 9.5 ± 1.4 kJ/kg 9.6 ± 1.5 kJ/kg 6.7 ± 2.8 kJ/kg
MICT %HRmax 68.3 ± 6.4% 68.8 ± 6.5% 68.4 ± 6.0% 68.2 ± 6.4% 69.6 ± 6.0% 68.1 ± 6.8%
%POpeak 39.4 ± 6.3% 40.2 ± 6.5% 41.2 ± 7.1% 42.4 ± 6.1% 43.7 ± 5.6% 43.4 ± 5.4%
iTRIMP 7428 ± 4203 A.U. 7898 ± 5259 A.U. 6964 ± 3749 A.U. 7070 ± 4370 A.U. 8057 ± 5478 A.U. 4361 ± 4409 A.U.
Relative total work 9.6 ± 2.1 kJ/kg 9.9 ± 2.3 kJ/kg 10.1 ± 2.4 kJ/kg 10.3 ± 2.1 kJ/kg 10.7 ± 2.1 kJ/kg 6.2 ± 2.8 kJ/kg

%HRmax adjusted and %POpeak adjusted are the percentage of maximal heart rate and percentage of peak output considering only the high‐intensity intervals.