ArticleExercise, sport & movement2026
Nonexercise Equations for Cardiorespiratory Fitness in Older Adults using Body Roundness Index and Waist Circumference.
Article in Exercise, sport & movement, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Cardiorespiratory fitness (CRF), quantified by oxygen consumption at maximal exercise (VO Methods: Secondary cross-sectional analyses of baseline data from two randomized controlled trials (Exercise Effects on Brain Health and Learning from Minutes to Months [EXTEND], Results: Four nonexercise equations estimating CRF were created using linear regression with the variables sex, age, and a combination of IPAQ and WC (eCRF1: Conclusions: Equations using WC and BRI perform better for estimating CRF than equations using body mass index and resting heart rate in an inactive older adult population. These equations could be used to screen participants during study enrollment when specific estimates of CRF are desired for the study sample. However, these equations should be validated for use in clinical populations to stratify disease risk.
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