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.