Balke test

(bălk )

[Bruno Balke, contemporary Ger.-born U.S. physician]
A test to determine maximum oxygen utilization. The subject walks on a flat (0% grade) treadmill at a constant rate of 3.5 miles/hr for 2 min. The treadmill is inclined 1% each successive minute until the subject is exhausted and unable to continue. Oxygen utilization is measured throughout the test.
The test is not suitable for those with impaired musculoskeletal, cardiovascular, or respiratory systems.