Table 2. Cardiorespiratory responses to HIIE with different intensities.
|
HIIE70% |
HIIE85% |
HIIE100% |
| Peak power (W) |
87.4 ± 12.2 #† |
106.1 ± 14.8 *† |
124.8 ± 17.4 *# |
| Average HR (bpm) |
141 ± 8 #† |
157 ± 5 * |
160 ± 4 * |
| Average HR (% HRmax) |
73 ± 5 #† |
82 ± 3 * |
83 ± 4 * |
| Peak HR (bpm) |
161 ± 6 #† |
181 ± 4 *† |
184 ± 2 *# |
| Peak HR (%HRmax) |
83 ± 4 #† |
94 ± 4 *† |
96 ± 6 *# |
| Average V̇O2 (L·min-1) |
0.86 ± 0.10 #† |
0.99 ± 0.08 * |
1.03 ± 0.08 * |
| Average V̇O2 (%V̇O2max) |
51 ± 7 #† |
60 ± 5 * |
62 ± 8 * |
| Peak V̇O2 (L·min-1) |
1.21 ± 0.19 #† |
1.35 ± 0.07 * |
1.38 ± 0.04 * |
| Peak V̇O2 (%V̇O2max) |
73 ± 16 #† |
81 ± 10 * |
83 ± 15 * |
† Significant difference between 100%HIIE (p < 0.01).# Significant difference between 85%HIIE (p < 0.01).* Significant difference between 70%HIIE (p < 0.01).Values are reported as mean ± standard deviation. Abbreviations: HR, heart rate; HR
max, maximal heart rate; V̇O
2, oxygen uptake: V̇O
2max, maximal oxygen uptake; %V̇O
2max, percentage of maximal oxygen uptake; VT, ventilatory threshold.
