Table 2. Mean and peak values for P, La, HR, and VO
2 during CE, short HIIE (20 s), and long HIIE (4x4 min) compared to the according values at P
max or LTP
2 and VT
2 from IET. Values are means (±SD).
| Peak values |
CE |
HIIE 20s |
HIIE 4x4min |
at Pmax (IET) |
|
| P (W) |
80.9 (24.0) |
142.4 (44.9)* |
105.3 (51.8)*‡ |
142.4 (44.9) |
|
| La (mmol·l-1) |
3.63 (1.73) |
3.90 (1.98) |
5.54 (2.93)*‡ |
5.90 (2.82) |
|
| HR (b·/min-1) |
111.3 (18.0) |
116.3 (22.8) |
124.0 (24.9)* |
135.8 (27.1) |
|
| VO2 (l·min-1) |
1.53 (.25) |
1.63 (.36) |
1.87 (.61)*‡ |
1.78 (.60) |
|
| Mean values |
CE |
HIIE 20s |
HIIE 4x4min |
at LTP2 (IET) |
at VT2 (IET) |
| P (W) |
80.9 (24.0) |
80.9 (24.0) |
80.9 (24.0) |
101.1 (30.1) |
99.8 (31.2) |
| La (mmol·l-1) |
3.20 (1.58) |
3.35 (1.74) |
4.80 (2.55)*‡ |
2.39 (.98) |
2.34 (1.03) |
| HR (b·min-1) |
103.6 (17.2) |
106.2 (20.8) |
109.1 (20.5) |
111.7 (17.8) |
110.7 (18.5) |
| VO2 (l·min-1) |
1.40 (.24) |
1.46 (.34) |
1.48 (.34) |
1.36 (.28) |
1.36 (.29) |
‡, significant difference to short HIIE.*, significant difference to CE.P power output; La, blood lactate concentration; HR, heart rate; VO
2, oxygen uptake; CE, continuous exercise; HIIE, high-intensity interval exercise; LTP
2, second lactate turn point; VT
2, second ventilatory threshold; P
max, maximum power output; IET, incremental exercise test.
