case_images: PMC8446376_01
case_images: Temporal course of the heart rate (HR) and heart rate variability (HRV) during 3 min supine position followed by 3 min standing position (orthostatic test, including HRpeak) in healthy athletes with uncompromised performance. The arrow marks the change in body position from supine to standing up. The widths of the bars represent the higher HRV in the supine than the standing position (mod. Hottenrott and Hoos,).
case_images: fspor-03-612782-g0001.jpg
case_images: PMC8446376_01_fspor-03-612782-g0001.jpg
case_images: F1
case_images: The athlete's training is monitored routinely throughout the entire year and he performs an OT daily (Figure 1).