How is VO2 max estimated from Bruce protocol?

Standard Bruce: VO2 max = 14.76 − (1.379 × T) + (0.451 × T²) − (0.012 × T³), where T is time in minutes. Stage 4 completion (12 min) gives approximately 56 ml/kg/min.

What heart rate should be reached in a stress test?

The test aims for 85% of maximum predicted HR (220 − age). Failure to reach 85% reduces diagnostic sensitivity; many tests are terminated at >85% with symptoms.

Treadmill Stress Test Bruce Protocol VO2 Max

Estimate VO2 max from Bruce treadmill stress test duration using standard and modified Bruce protocol prediction equations.

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Frequently Asked Questions

How is VO2 max estimated from Bruce protocol?

What heart rate should be reached in a stress test?