Bruce treadmill test

Bruce treadmill testThe Bruce treadmill test is a maximal running test performed on a treadmill. It is one of the most commonly used tests in USA.

 

Instructions:
1. You need a treadmill that has reliable incline and speed possibilities.
2. Follow the protocol described below. (printer friendly pdf-sheet click here)
3. Note the time at the point of exhaustion.

Every three minutes speed and grade is changed as follows:

 Time (min)
 3  6  9  12  15  18  21
 Speed (mph)
 1.7  2.5  3.4  4.2  5.0  5.5  6.0
 Grade (%)
 10  12 14   16  18  20  22

Should be read like this: the test begins with speed 1.7 mph and incline at 10%. After 3 minutes speed is increased to 2.5 mph and incline to 12%.

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This calculator is also included in Fitness Test pro
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Reference:
ACSM's Guidelines for exercise testing and prescription. Seventh edition. pp 99-100

Comments  
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#13 ray ro 2016-08-30 17:14
Your Bruce treadmill calculator maxes out at age 60 which does not seem correct
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#12 Kelly Anderson 2013-07-17 10:37
I do love the post that you have made in here. Thanks for sharing it to us.
Treadmills perth
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#11 Arvind 2013-07-11 17:14
Most machines do not allow increase in the slope by 2%, it is only by 5%.
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#10 ANTHONY 2013-06-16 08:40
BRUCE TEST SHOULD BE ADJUSTED.
MORE EFFORT REQUIRED FROM PERSON OF 68 INCH HEIGHT THAN PERSON OF 74 INCH HEIGHT. HOW DO MEDICS ACCOUNT FOR THIS?
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#9 John 2012-11-18 11:28
It is a walking exercise, not a running exercise. Maybe requires adjusting of the speed
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#8 brian heise 2011-08-31 19:46
see wikepedia, slope is rise over run or grade.

for example a 45 degree ange with the horizon describes a right angle. also a 45 degree angle with horizon.

rise over run is 1/1 equals a 100 persent grade at a angle of 45 degrees.

as is all falls out, the grade in % is about twice the angle in degrees with the horizon.

so if you complete stage 7 bruce protocol at 6 mph and 22% grade, you are exercising at about 11 degrees with the horizon.

I believe this correlates with incline 11/15 with most treadmills.

see grade and degrees on wikepedia.
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