Table 1.  Reference values and ranges of maximal oxygen uptake (ml/kg/min) for health promotion by gender and age.
　 　
20-29years
30-39years
40-49years
50-59years
60-69years
Males Reference values
40
38
37
34
33
Range
33-47
31-45
30-45
26-45
25-41
Females Reference values
33
32
31
29
28
Range
27-38
27-36
26-33
26-32
26-30
Exercise and physical activity reference for health promotion 2006 (Japan's Ministry of Health, Labour and Welfare, 2006).