HRV Tracking for Tennis
Stop guessing when to train hard and when to recover. Use your heart rate variability data to make smarter Tennis training decisions every day.
Why HRV Matters for Tennis
Tennis players face unique demands: long matches, rapid points, and tournament scheduling. HRV helps manage the transition between match play and recovery to maintain peak readiness.
⚕️ Medical disclaimer: The information on this page is for general wellness purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making changes to your training load or recovery protocol based on HRV data.
HRV & Tennis: what the research says
RMSSD
The gold-standard HRV metric for athletes — measures parasympathetic recovery via successive beat differences.
7-day
Rolling average smooths daily noise. Calio compares your daily reading to your personal 7-day baseline before coaching you.
ACWR
Acute:Chronic Workload Ratio combined with HRV trend gives the clearest picture of injury risk and readiness.
Built for Tennis Athletes
Personalized Recovery Score
Your score is calculated from your own 60-day HRV baseline — not generic population averages.
Training Load Management
ACWR-based guidance keeps your acute-to-chronic workload in the optimal zone.
Sleep Intelligence
Track sleep debt and get bedtime recommendations that account for tomorrow's training.