Prediction equation to estimate heart rate at individual ventilatory threshold in female and male obese adults

PloS One
Gian Pietro EmerenzianiLaura Guidetti

Abstract

Prescribing individualized moderate exercise intensity is a useful method to reach positive effects on health status in obese adults. This study aimed to establish a practical reference equation to estimate the heart rate (HR) at individual ventilatory threshold (IVT) (HRIVT). One hundred sixty-one obese subjects were clinically evaluated and characterized by anthropometric and body composition. Participants performed the six-minute walking test (6-MWT) and the cardiopulmonary exercise test to assess IVT. Multiple regression analysis for HRIVT, including 6-MWT, anthropometric, and body composition parameters, as independent variables, was performed for both gender separately. A cross-validation study was also performed to determine the accuracy of the prediction equation. Whereas HRIVT was not significantly different between males (121.5±18.3 bpm) and females (117.6±17.1 bpm), it differently correlated with physical and performance parameters. Therefore, two sex-specific equations were developed including 6-MWTHR and HRrest (R2 = 0.69 and 0.65 and root mean square errors of 8.8 and 10.1 bpm for females and males, respectively). In conclusion, in female and male obese adults, the 6-MWT might be used to predict HR at IVT. These o...Continue Reading

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Citations

Jul 20, 2018·The Journal of Sports Medicine and Physical Fitness·Gian Pietro EmerenzianiLaura Guidetti
Jun 29, 2021·Current Opinion in Pharmacology·Paolo SgròLuigi Di Luigi

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