Table 1. Mean and peak values of P, La, HR, and VO
2 during CE, short HIIE (20 s), and long HIIE (4 min) compared to the values at LTP
1, LTP
2, and P
max 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; VO
2, oxygen uptake; CE, continuous exercise; HIIE, high-intensity interval exercise; LTP
1, first lactate turn point; LTP
2, second lactate turn point; P
max, maximum power output; IET, incremental exercise test.* significant (p < 0.05) difference to CE,‡ significant (p < 0.05) difference to short HIIE