Table 7 Energy metabolism characteristics of two speed endurance training modes.

From: Energy metabolism characteristics of sprinters in speed endurance training with different intermittent rest periods

Energy metabolism indicators

HV-1

HV-2

Wpcr/KJ

109.03 ± 12.34

82.33 ± 18.04**

W[lactate]/KJ

189.79 ± 43.48

167.45 ± 47.14*

Waer/KJ

162.02 ± 10.71

162.82 ± 13.33

Wtot/KJ

460.85 ± 44.61

412.61 ± 63.96*

%WPCr/%

23.83 ± 3.22

19.9 ± 2.52**

%W[lactate]/%

40.72 ± 6.37

40.04 ± 5.39

%Waer/%

35.44 ± 3.83

40.05 ± 4.92*

WPCr/bout/KJ

23.78 ± 3.37

20.67 ± 3.01*

W[lactate]/bout/KJ

38.41 ± 7.12

37.38 ± 6.07

Waer/bout/KJ

37.82 ± 4.74

41.04 ± 5.97

  1. Wpcr, Phosphocreatine energy provision; W[lactate], Glycolytic energy provision; Waer, Aerobic Energy provision; Wtot, Overall energy provision; %WPCr, Phosphocreatine energy contribution ratio; %W[lactate], Glycolytic energy contribution ratio; %Waer, Aerobic energy contribution ratio; WPCr/bout , Mean phosphocreatine energy provision across exercise sessions; W[lactate]/bout, Mean glycolytic energy provision across exercise sessions; Waer/bout, Mean aerobic energy provision across exercise sessions.
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