Bruce Protocol Stress Test

The Bruce Test is commonly used treadmill exercise stress test. It was developed as a clinical test to evaluate patients with suspected coronary heart disease, though it can also be used to estimate cardiovascular fitness. See also a general description of Exercise Stress Tests. As this stress test is a maximal test performed commonly on people with heart problems, the test should be performed under the supervision of appropriately trained medical staff.

Stage Speed (km/hr) Speed (mph) Gradient
1 2.74 1.7 10
2 4.02 2.5 12
3 5.47 3.4 14
4 6.76 4.2 16
5 8.05 5.0 18
6 8.85 5.5 20
7 9.65 6.0 22
8 10.46 6.5 24
9 11.26 7.0 26
10 12.07 7.5 28

VO2max (ml/kg/min) = 14.76 - (1.379 × T) + (0.451 × T²) - (0.012 × T³) (this formula is the one used for the calculator below)

Women: VO2max (ml/kg/min) = 2.94 x T + 3.74
Women: VO2max (ml/kg/min) = 4.38 × T - 3.9

Men: VO2max (ml/kg/min) = 2.94 x T + 7.65
Young Men: VO2max (ml/kg/min) = 3.62 x T + 3.91

ref: ACSM's Health-Related Physical Fitness Assessment Manual

Enter Your time (minutes) on the Bruce Test

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