High-Intensity Functional Training Guided by Individualized Heart Rate Variability Results in Similar Health and Fitness Improvements as Predetermined Training with Less Effort.
Justin A DeBlauwNicholas B DrakeBrady K KurtzDerek A CrawfordMichael J CarperAmanda WakemanKatie M HeinrichPublished in: Journal of functional morphology and kinesiology (2021)
HRV-guided HIFT produced similar improvements in cardiovascular function, body composition, and fitness as predetermined HIFT, despite fewer days at high intensity. HRV shows promise for prescribing individualized exercise intensity during HIFT.