Listya Tresnanti Mirtha, Minarma Siagian, Tirza Z Tamin, Basuni Radi, Dewi Sumaryani Soemarko, Ani Retno Prijanti, M. Irfanuddin, Ramdan Pelana, Muchtaruddin Mansyur
This study developed a formula for calculating the predicted VO2 max value using a prototype model of foot-based cardiorespiratory exercise. Forty sedentary workers (20 men and 20 women) were enrolled via consecutive sampling. They underwent direct measurement of VO2 max using spiroergometry as the gold standard; the predicted VO2 max value was calculated using a prototype model of foot-based cardiorespiratory exercise, which was performed on consecutive days. Multivariate linear regression analysis was used to formulate the equation for the predicted VO2 max value by including potential contributing variables: gender, body height, body weight and heart rate. Bland–Altman test was used for assessing the agreement level for the predicted VO2 max value. The equation for the predicted VO2 max value was formulated as 3.2 + 0.15 optimal exercise heart rate −5.5 sexes (0 for men, 1 for women). The agreement level for the formula was acceptable in all measurement result ranges. The formula developed in this study can be used to measure the predicted VO2 max value with an acceptable agreement level. © The Author(s) 2021.
Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Departement of Physiology, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Departement of Medical Rehabilitation, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Departement of Biochemistry and Biology Molecular, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia; Departement of Physiology, Faculty of Medicine, Universitas Sriwijaya, Palembang, Indonesia; Faculty of Sports Science, University State of Jakarta, Jakarta, Indonesia
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