A Maximal Cycle Test with Good Validity and High Repeatability in Adults of All Ages

In 11 680 individuals (18–85 years) maximal oxygen consumption (VO₂max) was estimated indirectly in a maximal cycle test using a prediction model developed in a young population (15–28 years). A subsample of 182 individuals (23–77 years) underwent 2 maximal cycle tests with VO₂max estimated indirectly in both tests and measured directly in one test. Agreement between the direct measurement and the indirect estimate of...