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Table 2.

Energy turnover and estimates of net mechanical efficiency during cycling exercise at 60 and 120 revs min-1 under conditions of normal and elevated muscle temperature

60 revs min-1 120 revs min-1
Normal Elevated Normal Elevated
Aerobic energy turnover (kJ min-1)   62.0±2.3   64.4±3.5   64.2±4.0   61.2±3.4* 
Anaerobic energy turnover (kJ min-1)   4.8±0.4   6.0±0.4*  4.8±0.8   3.7±0.4  
Total energy turnover (kJ min-1)   66.9±2.4   70.4±3.7*  69.0±4.7   64.9±3.7* 
Total power output (W)   247±10   247±10   259±14   259±14  
Mechanical efficiency (%)   22.2±0.3   21.2±0.4*  22.7±0.6   24.0±0.5* 
60 revs min-1 120 revs min-1
Normal Elevated Normal Elevated
Aerobic energy turnover (kJ min-1)   62.0±2.3   64.4±3.5   64.2±4.0   61.2±3.4* 
Anaerobic energy turnover (kJ min-1)   4.8±0.4   6.0±0.4*  4.8±0.8   3.7±0.4  
Total energy turnover (kJ min-1)   66.9±2.4   70.4±3.7*  69.0±4.7   64.9±3.7* 
Total power output (W)   247±10   247±10   259±14   259±14  
Mechanical efficiency (%)   22.2±0.3   21.2±0.4*  22.7±0.6   24.0±0.5* 

See Materials and methods for calculations.

Significant differences (P<0.05) between normal and elevated muscle temperature are indicated by an asterisk.

Values are means ± S.E.M., N=6.

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