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Fig. 1 | BMC Medical Research Methodology

Fig. 1

From: Interchangeability and optimization of heart rate methods for estimating oxygen uptake in ergometer cycling, level treadmill walking and running

Fig. 1

Average measurement positions for the establishments of individual HR-V̇O2 relationships. Five submaximal positions (symbols with connected lines) were used to establish the HR-V̇O2 relationships for both model 1 and model 2, whereas maximal positions (separated symbols) were used only for model 2. The figure is based on the individual values of all males (n = 12) and all females (n = 12), separately. a Cycling, b walking, and c running

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BMC Medical Research Methodology

ISSN: 1471-2288

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