Skip to Main Content
Table 1.

Respiratory and blood lactate data at rest and at the end of 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
Rest      
O2 (1 min-1)   0.34±0.04   0.37±0.02   0.33±0.04   0.35±0.08  
CO2 (1 min-1)   0.26±0.04   0.30±0.02   0.25±0.02   0.28±0.01  
RER   0.78±0.02   0.82±0.03   0.76±0.02   0.80±0.03  
[Lactate] (mmol l-1)   0.63±0.04   0.82±0.08   0.52±0.06   0.54±0.04  
Exercise      
O2 (1 min-1)   3.25±0.14   3.40±0.18*  3.35±0.20   3.22±0.16* 
CO2 (1 min-1)   3.39±0.14   3.51±0.20   3.44±0.21   3.31±0.18* 
RER   1.04±0.01   1.03±0.02   1.02±0.01   1.02±0.01  
[Lactate] (mmol l-1)   6.40±0.49   8.08±0.56*  6.08±0.90   4.88±0.48  
60 revs min-1 120 revs min-1
Normal Elevated Normal Elevated
Rest      
O2 (1 min-1)   0.34±0.04   0.37±0.02   0.33±0.04   0.35±0.08  
CO2 (1 min-1)   0.26±0.04   0.30±0.02   0.25±0.02   0.28±0.01  
RER   0.78±0.02   0.82±0.03   0.76±0.02   0.80±0.03  
[Lactate] (mmol l-1)   0.63±0.04   0.82±0.08   0.52±0.06   0.54±0.04  
Exercise      
O2 (1 min-1)   3.25±0.14   3.40±0.18*  3.35±0.20   3.22±0.16* 
CO2 (1 min-1)   3.39±0.14   3.51±0.20   3.44±0.21   3.31±0.18* 
RER   1.04±0.01   1.03±0.02   1.02±0.01   1.02±0.01  
[Lactate] (mmol l-1)   6.40±0.49   8.08±0.56*  6.08±0.90   4.88±0.48  

O2, rate of oxygen uptake; CO2, rate of carbon dioxide release; RER, respiratory exchange ratio (CO2/O2); [Lactate], peak concentration of blood lactate.

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

Values are means ± S.E.M., N=6.

Close Modal

or Create an Account

Close Modal
Close Modal