Table 2 Influence of age on related indicators of VO2max in untrained male Wistar rats.

From: Maximum oxygen consumption and quantification of exercise intensity in untrained male Wistar rats

Age

VO2max (mL kg−1 min−1)

RER

Completion time (min)

4 weeks

105.6 ± 4.8

1.035 ± 0.066

25.08 ± 3.69

8 weeks

85.4 ± 4.0*

1.034 ± 0.544

21.73 ± 3.66*

10 months

62.3 ± 6.4*#

1.044 ± 0.043

16.71 ± 2.67*#

16 months

56.2 ± 2.5*#&

1.071 ± 0.039*#

13.70 ± 2.23*#&

  1. All values are presented as mean ± SD, n = 20 for each group.
  2. *p < .0.05 versus 4-week-old rats. #p  < .0.05 versus 8-week-old rats. &p  <  0.05 versus 10-month-old rats.