Applicability of Dmax Method on Heart Rate Variability to Estimate the Lactate Thresholds in Male Runners
Table 3
Reliability analysis for HRVTDMAX1, HRVTDMAX2, LT1, and LT2.
Speed
Lactate
RR
HR
ICC
TEMa
ICC
TEMa
ICC
TEMa
ICC
TEMa
M
km·h−1
%
M
mmol·l−1
%
M
ms
%
M
bpm
%
HRVTDMAX1
0.48
0.08
1.18
9.6
0.42
0.12
0.67
29.6
0.80
0.00
19.4
5.1
0.81
0.00
8
4.9
HRVTDMAX2
0.30
0.22
1.21
10.1
0.60
0.29
0.80
36.4
0.80
0.00
21.8
5.6
0.82
0.00
8
5.5
LT1
0.90
0.00
0.75
6.4
0.73
0.00
0.33
19.2
0.75
0.00
21.6
5.5
0.80
0.00
7
4.9
LT2
0.97
0.00
0.40
2.8
0.71
0.00
0.32
10.6
0.49
0.08
24.2
6.9
0.94
0.00
2
1.7
aMultiply and divide these values by 1.4 to obtain the 95% confidence intervals (×/÷1.4). ICC, intraclass coefficient correlation; TEM, typical error of measurement.
