Table 1. Mean and peak values of P, La, HR, and VO2 during CE, short HIIE (20 s), and long HIIE (4 min) compared to the values at LTP1, LTP2, and Pmax from IET. Data are means (±SD). |
|
P (W) |
La (mmol·l-1) |
HR (b·min-1) |
VO2 (l·min-1) |
Mean Values |
CE |
213.2 (42) |
4.14 (1.84) |
167 (8.6) |
3.32 (.59) |
|
HIIE 20 sec |
217.2 (42.2) |
5.22 (1.41) |
168 (5.7) |
3.37 (.58) |
|
HIIE 4x4 min |
214.5 (43.1) |
9.83*‡ (2.78) |
167 (4.9) |
3.19 (.53) |
|
at LTP1 |
130.0 (24.0) |
1.73 (0.63) |
132 (13.4) |
2.30 (.55) |
|
at LTP2 |
241.3 (36.3) |
4.17 (1.33) |
169 (4.8) |
3.60 (.45) |
Peak Values |
CE |
213.2 (42.0) |
5.54 (3.45) |
177 (10.7) |
4.03 (.70) |
|
HIIE 20 sec |
340.0 (47.3) * |
7.14 (2.48) |
181 (6.7) |
4.17 (.74) |
|
HIIE 4x4 min |
279.2 (51.8) *‡ |
12.37* ‡ (4.17) |
188 (5.7) *‡ |
4.22 (.67) |
|
at Pmax IET |
340.0 (47.3) |
12.17 (2.50) |
190 (4.3) |
4.33 (.71) |
|
P, power output; La, blood lactate concentration; HR, heart rate; VO2, oxygen uptake; CE, continuous exercise; HIIE, high-intensity interval exercise; LTP1, first lactate turn point; LTP2, second lactate turn point; Pmax, maximum power output; IET, incremental exercise test. |
* significant (p < 0.05) difference to CE, |
‡ significant (p < 0.05) difference to short HIIE |
|