Which of Following Tests to Estimate VO₂max Produces the Lowest

Multiple Choice

Which of following tests to estimate VO₂max produces the lowest standard error?

A) VO₂max is estimated from a 1-mile walk test or 12-minute run.
B) VO₂max is estimated from the heart rate values measured during a submaximal test.
C) VO₂max is estimated from the last stage of a maximal test
D) All of these tests produce essentially the same standard error