Vertical Oscillation and Vertical Ratio Data
The data ranges for vertical oscillation and vertical ratio are slightly different depending on the sensor and
whether it is positioned at the chest (HRM-Fit or HRM-Pro series accessories) or at the waist (Running
Dynamics Pod accessory).
Percentile in
Color Zone
Zone
Purple >95
70–95
Blue
30–69
Green
Orange 5–29
<5
Red
VO2 Max. Standard Ratings
These tables include standardized classifications for VO2 max. estimates by age and sex.
Males
Percentile
Superior
95
Excellent
80
Good
60
Fair
40
Poor
0–40
Females
Percentile
Superior
95
Excellent
80
Good
60
Fair
40
Poor
0–40
Data reprinted with permission from The Cooper Institute. For more information, go to www.CooperInstitute.org.
Appendix
Vertical Oscillation
Range at Chest
<6.4 cm
6.4–8.1 cm
8.2–9.7 cm
9.8–11.5 cm
>11.5 cm
20–29
30–39
55.4
54
51.1
48.3
45.4
44
41.7
40.5
<41.7
<40.5
20–29
30–39
49.6
47.4
43.9
42.4
39.5
37.8
36.1
34.4
<36.1
<34.4
Vertical Oscillation
Vertical Ratio at
Range at Waist
Chest
<6.8 cm
<6.1%
6.8–8.9 cm
6.1–7.4%
9.0–10.9 cm
7.5–8.6%
11.0–13.0 cm
8.7–10.1%
>13.0 cm
>10.1%
40–49
50–59
52.5
48.9
46.4
43.4
42.4
39.2
38.5
35.6
<38.5
<35.6
40–49
50–59
45.3
41.1
39.7
36.7
36.3
33
33
30.1
<33
<30.1
Vertical Ratio at
Waist
<6.5%
6.5–8.3%
8.4–10.0%
10.1–11.9%
>11.9%
60–69
70–79
45.7
42.1
39.5
36.7
35.5
32.3
32.3
29.4
<32.3
<29.4
60–69
70–79
37.8
36.7
33
30.9
30
28.1
27.5
25.9
<27.5
<25.9
167
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