All CollectionsMetrics & DataMetrics & DataCritical Power, the Power Duration Curve, training load and every Stryd metric24 articlesCritical Power DefinitionWhat is CP? What is Critical Power?Power Duration Curve (PDC)What is PDC?Power ZonesWhat are Stryd Power Zones? How do I use Power Zones?Training AnalysisHow can I analyze my Stryd data? Analysis tabUnderstanding Stryd data and featuresHow can Stryd help me train? How do I use Stryd data? How do I use the Stryd app?Stryd MetricsAir Power Form Power Ground Contact Time GCT Vertical Oscillation VO Cadence Leg Spring Stiffness LSS Impact Loading Rate ILR Duty FactorRunning Stress BalanceRunning Stress Score (RSS)AirPower from StrydAir Power airpowerStride lengthHeart Rate data and StrydHow to record Impact Loading RateDo you have detailed information about Stryd with wind detection?Do you have any articles or reviews that validate metrics measured by Stryd?Why is my Leg Spring Stiffness (LSS) 0?Manually enter Critical PowerWhy does my GPS map in the Stryd platfom look bad?How can I exclude runs from my Stryd profile & auto-calculated Critical Power?Power Duration Curve: why your actual run data can exceed your modeled ability.Power Difference between Power Duration Curve and the Activity in CalendarHigher Power at Longer Duration in the Power Duration CurveCan Stryd count my steps (pedometer) when I walk/hike?Standard & non-standard behaviour of Stryd's dataDoes Stryd capture calorie information?