Home > Reflections | ⏮️ ⏭️ 2025-08-18 | 🫀🦮🏋🏼♀️ HRV Guided HIFT 📄 📄 Articles 📈❤️⏱️💪🧘 High Intensity Functional Training Guided by Individualized Heart Rate Variability Results in Similar Health and Fitness Improvements as Predetermined Training with Less Effort