The Navy SEAL Physical Fitness Guide - Human Performance

The Navy SEAL Physical Fitness Guide 39

= 49 ml/kg/min. To convert your weight in lb to kg divide by 2.205. Normalizing for body
weight allows you to determine how you rate relative to other persons of your age (Consult
Table 3-4).

Example of How to Estimate Maximal Oxygen Uptake for an 85 kg, 24 year old
SEAL

Table 3-4. Cardiorespiratory Fitness Classification:

Maximal Oxygen Uptake (ml/kg/min)

Age Low Fair Average Good High

20-29 <25 25-33 34-42 43-52 53+

30-39 <23 23-30 31-38 39-48 49+

40-49 <20 20-26 27-35 36-44 45+

50-59 <18 18-24 25-33 34-42 43+

70

80

90

100

110

120

130

140

150

160

170

180

190

200

210

300 400 500 600 700 800 900 1000 1100 1200 1300 1400

220 - 24 = 196

Estimated Maximal Heart Rate

Estimated Maximal Aerobic Capacity =

~1260 kcal/hr = ~4.2 L/min

O 2 (L/min) 2.7 3.0 3.3 3.7

Estimated VO2max = 4.2 (L/min) or 4,200 ml/85 = 49.4 ml/kg/min

1.0 1.3 2.0 4.0 4.3 4.7

kcal/hr

1.7 2.3