The newly marketed air-braked cycle ergometer may be useful for diagnostic exercise testing because unlike other ergometers, both upper and lower extremities may be exercised. The purpose of this investigation was to study the cardiopulmonary response and energy cost during progressive, incremental exercise and to test the feasibility of using this device for maximal exercise testing. Sixty-five healthy adults with a wide range of exercise tolerance were studied. All subjects obtained VO2 max, and the maximal heart rate of the sample (183 ± 12.86 beats/min) approached the expected age-predicted value (190 beats/min). A linear relationship between submaximal VO2 (ml/min) and power outputs (kgm/min) is reported (N = 406 observations, R = .95; P < .0001; Y = 1.48 + 444.21), which allows for the indirect estimation of oxygen cost when writing an exercise prescription.
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Lamont et al. (1988) studied this question.