Table 1. The change of work, power, exercise time, HR, and RPE in each group.
Week SIT(n = 10) HIIT120 (n = 10) HIIT90 (n = 10) MICT (n = 9)
1-4 5-8 9-12 1-4 5-8 9-12 1-4 5-8 9-12 1-4 5-8 9-12
Work (KJ) 49.1±4.0 57.8 ±3.7** 65.7±5.8** 200 200 200 200 200 200 200 200 200
Exercise power (Watt) 204.6±16.8 240.8±15.3** 273.6±24.0** 160.4±18.6 189.5±19.2** 203.8±21.9** 118.4±11.5 132.6±14.0** 144.4±15.3** 56.4±10.0 61.0±8.6** 66.6±10.3**
Exercise time (min) 4 4 4 21.0 ± 2.3 17.7 ± 1.9** 16.6 ± 1.9** 28.4 ± 2.8 25.5 ± 2.9** 23.3 ± 2.5** 61.0 ± 11.5 56.0 ± 8.4* 51.4 ± 8.4**
HR (Beat/min) 175 ± 6 170 ± 5** 166 ± 7** 170 ± 7 165 ± 5* 163 ± 5* 175 ± 8 174 ± 11 169 ± 7* 137 ± 8 135 ± 7 135 ± 9
RPE 15.7 ± 0.9 16.0 ± 0.6 16.3 ± 1.0* 16.2 ± 1.1 17.2 ± 0.8* 17.1 ± 1.1 15.6 ± 0.8 16.5 ± 1.1 16.7 ± 1.2* 12.2 ± 0.8 12.6 ± 1.9 12.2 ± 0.8
* indicates that compared with 1-4 weeks, p < 0.05** indicates that compared with 1-4 weeks, p < 0.01.† indicates that compared with 5-8 weeks, p < 0.05‡ indicates that compared with 5-8 weeks, p < 0.01. Work (KJ) = Work (J) * 1000 = Exercise power (watt) * Exercise time (s) = Exercise power (watt) * Exercise time (min) * 60.