Decoupling Chart
Track your aerobic fitness through cardiac drift analysis. The Power/HR Z2 metric provides a clear picture of your aerobic efficiency over time.
Measure Aerobic Fitness
Cardiac drift (decoupling) shows how well your cardiovascular system handles sustained effort. Lower decoupling means better aerobic fitness.
- Power/HR decoupling analysis
- "Power / HR Z2" aerobic fitness metric
- Track aerobic fitness trends over time
More in Analyze Your Activities
Activity Timeline
View your activity with Coggan metrics plus unique Intervals.icu metrics. Automatic interval detection finds your efforts, with spike detection and correction for power and HR data.
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Power Charts
Analyze zone time distribution, view your 42-day power curve, histograms, and best efforts all within the context of a single activity.
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Seiler Decoupling
Analyze decoupling using 60-second moving averages with power and heart rate expressed as a percentage of reserve, inspired by Dr Stephen Seiler's research.
Learn more →