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Table 1 Oxygen consumption ( V ˙ O 2 ) , carbon dioxide production ( V ˙ C O 2 ) , respiratory exchange ratio (RPE) during 30 min of running at 10 and 35°C conducted before and after supplementation.

From: The effects of creatine and glycerol hyperhydration on running economy in well trained endurance runners

   

Exercise time (min)

Variable

Condition

 

5

10

15

20

25

30

V Ë™ O 2

(mL·kg-1·min-1)

10°C

Pre

37.4 ± 2.4

37.6 ± 2.0

37.7 ± 1.8

38.7 ± 2.2

38.8 ± 2.7

38.9 ± 2.8

  

Post

36.4 ± 2.8

37.4 ± 1.5

36.9 ± 1.7

37.7 ± 1.8

37.6 ± 2.2

38.4 ± 3.3

 

35°C

Prea

37.2 ± 2.4

39.5 ± 2.4

39.5 ± 2.3

40.3 ± 2.6

40.5 ± 4.4

41.2 ± 3.3

  

Posta

36.7 ± 2.4

37.9 ± 2.3

37.4 ± 3.2

38.4 ± 2.6

39.1 ± 2.1

38.5 ± 3.1

V Ë™ C O 2

(mL·kg-1·min-1)

10°C

Prea

32.8 ± 1.7

33.7 ± 2.2

33.9 ± 1.4

34.4 ± 2.0

34.7 ± 2.5

34.4 ± 2.5

  

Posta

33.5 ± 3.1

34.6 ± 1.6

34.0 ± 1.7

35.0 ± 1.9

35.1 ± 2.0

35.0 ± 2.3

 

35°C

Pre

32.3 ± 2.8

34.7 ± 2.3

35.6 ± 2.3

35.3 ± 2.2

35.5 ± 3.2

35.5 ± 3.3

  

Post

32.4 ± 2.5

33.9 ± 2.2

34.4 ± 2.4

35.1 ± 2.3

35.1 ± 2.3

34.5 ± 2.6

RER

10°C

Pre

0.87 ± 0.03

0.89 ± 0.03

0.89 ± 0.03

0.88 ± 0.04

0.89 ± 0.04

0.88 ± 0.03

  

Post

0.91 ± 0.05

0.93 ± 0.03

0.92 ± 0.03

0.93 ± 0.03

0.93 ± 0.03

0.92 ± 0.03

 

35°C

Pre

0.87 ± 0.05

0.88 ± 0.03

0.89 ± 0.03

0.88 ± 0.04

0.88 ± 0.05

0.86 ± 0.05

  

Post

0.88 ± 0.03

0.89 ± 0.03

0.91 ± 0.03

0.91 ± 0.03

0.90 ± 0.03

0.89 ± 0.03

  1. *Note. Values are presented as the mean ± SD. aSignificant difference over time throughout the trial. P-value was set at 0.05.