Table 3.
Laboratory performance.
Overall (n = 20)
Elite (n = 7)
Sub-elite (n = 13)
Mean ± SD
Mean ± SD
Min
Max
Mean ± SD
Min
Max
p-values
V @VT1 (km·h
-1
)
4.5 ± 0.5
4.7 ± 0.6
3.8
5.4
4.4 ± 0.4
3.8
5.0
0.157
V @VT2 (km·h
-1
)
5.8 ± 0.6
6.3 ± 0.6
5.8
7.4
5.5 ± 0.4
5.0
6.2
0.008
V
max
(km·h
-1
)
6.9 ± 0.5
7.4 ± 0.3
7.0
7.8
6.6 ± 0.3
6.2
7.3
< 0.001
HR
warmup
(bpm)
126 ± 14
116 ± 14
95
135
133 ± 10
118
148
0.006
HR @VT1 (bpm)
160 ± 13
156 ± 13
141
179
162 ± 13
137
178
0.381
HR @VT2 (bpm)
178 ± 11
179 ± 9
163
192
178 ± 12
159
195
0.815
HR
max
(bpm)
190 ± 11
190 ± 11
174
208
190 ± 11
172
208
0.485
VO
2warmup
(ml·min
-1
·kg
-1
)
27.8 ± 6.2
24.3 ± 8.2
8.7
31.6
29.6 ± 3.9
21.4
35.2
0.067
VO
2
@VT1 (ml·min
-1
·kg
-1
)
46.4 ± 6.9
50.2 ± 8.9
36.6
60.8
44.3 ± 4.9
34.2
53.7
0.071
VO
2
@VT1 in % VO
2max
70.7 ± 7.5
70.1 ± 9.6
57.1
87.7
71.1 ± 6.7
62.2
81.3
0.814
VO
2
@VT2 (ml·min
-1
·kg
-1
)
57.8 ± 6.0
62.6 ± 5.4
55.2
68.6
55.3 ± 4.6
47.6
63.1
0.005
VO
2
@VT2 in % VO
2max
88.5 ± 7.0
88.1 ± 5.7
80.5
95.4
89.1 ± 8.1
75.3
98.7
0.840
VO
2max
(ml·min
-1
·kg
-1
)
65.6 ± 6.8
71.2 ± 6.8
64.1
85.1
62.5 ± 4.7
54.1
69.5
0.003
RER @VT1
0.93 ± 0.07
0.92 ± 0.1
0.83
1.06
0.94 ± 0.04
0.88
1.02
0.393
RER @VT2
1.05 ± 0.1
1.05 ± 0.12
0.9
1.21
1.05 ± 0.09
0.89
1.19
0.899
RER
max
1.2 ± 0.1
1.16 ± 0.12
1.0
1.31
1.22 ± 0.08
1.09
1.38
0.259
VE @VT1 (l·min
-1
)
84 ± 14
87 ± 15
64
706
83 ± 13
62
106
0.529
VE @VT2 (l·min
-1
)
120 ± 17
124 ± 16
96
149
118 ± 18
78
141
0.474
VE
max
(l·min
-1
)
166 ± 20
164 ± 26
132
206
167 ± 17
140
194
0.760
RR @VT1 (breaths·min
-1
)
30.0 ± 4.4
28.7 ± 2.4
26.4
32.8
30.7 ± 5.1
22.6
39.9
0.356
RR @VT2 (breaths·min
-1
)
37.6 ± 5.6
35.5 ± 3.9
31.2
41.5
38.8 ± 6.2
29.1
46.5
0.219
RR
max
(breaths·min
-1
)
53.8 ± 8.0
49.5 ± 6.5
42.1
61.9
56.1 ± 8.1
40.1
68.9
0.075
SL
mean
(m)
0.78 ± 0.07
0.83 ± 0.06
0.76
0.91
0.75 ± 0.07
0.62
0.87
0.035
SL
max
(m)
0.89 ± 0.07
0.94 ± 0.06
0.85
1.03
0.87 ± 0.07
0.74
1.01
0.046
C
mean
(steps·min
-1
)
97 ± 7
99 ± 7
87
109
96 ± 6
85
112
0.314
C
max
(steps·min
-1
)
137 ± 9
141 ± 6
134
151
135 ± 9
120
149
0.139
SD, standard deviation; V, velocity; VT1, ventilatory threshold 1; VT2, ventilatory threshold 2; HR, heart rate; VO
2
, oxygen uptake; RER, respiratory exchange ratio; VE, ventilation; RR, respiratory rate; SL, step length; C, cadence