[{"data":1,"prerenderedAt":118},["ShallowReactive",2],{"knowledge-power-meter-en":3,"knowledge-list-en":80},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"related":10,"references":14,"body":23,"_type":74,"_id":75,"_source":76,"_file":77,"_stem":78,"_extension":79},"\u002Fen\u002Fknowledge\u002Fpower-meter","knowledge",false,"","Power Meter Integration in Metabolic Testing","Why power data is essential for accurate metabolic analysis.",[11,12,13],"spiroergometry","vo2max","fatmax",[15,19],{"title":16,"url":17,"source":18},"Power profiling in cycling: validity and reproducibility","https:\u002F\u002Fpubmed.ncbi.nlm.nih.gov\u002F17473600\u002F","Bertucci W et al., Int J Sports Med 2005",{"title":20,"url":21,"source":22},"Power output and metabolic cost during cycling","https:\u002F\u002Fpubmed.ncbi.nlm.nih.gov\u002F10694128\u002F","Coyle EF, Med Sci Sports Exerc 1999",{"type":24,"children":25,"toc":68},"root",[26,34,41,46,52,57,63],{"type":27,"tag":28,"props":29,"children":30},"element","p",{},[31],{"type":32,"value":33},"text","Power meters measure the mechanical work output of a cyclist in watts. When combined with metabolic data from spiroergometry, power data enables precise calculation of exercise economy, efficiency, and the relationship between metabolic cost and actual performance output.",{"type":27,"tag":35,"props":36,"children":38},"h2",{"id":37},"power-based-test-protocols",[39],{"type":32,"value":40},"Power-based test protocols",{"type":27,"tag":28,"props":42,"children":43},{},[44],{"type":32,"value":45},"In cycling-based metabolic testing, power meters provide the definitive measure of exercise intensity. Unlike heart rate, which drifts with fatigue, dehydration, and temperature, power output is an objective and instantaneous measure. OpenSpiro uses power meter data to control test protocols with precise watt targets for each stage, ensuring reproducible and comparable results across test sessions.",{"type":27,"tag":35,"props":47,"children":49},{"id":48},"cycling-dynamics-and-efficiency",[50],{"type":32,"value":51},"Cycling dynamics and efficiency",{"type":27,"tag":28,"props":53,"children":54},{},[55],{"type":32,"value":56},"Advanced power meters provide cycling dynamics data including left\u002Fright power balance, power phase (where in the pedal stroke you produce power), and torque effectiveness. These metrics, displayed in OpenSpiro's cycling dynamics gauge, help athletes optimize pedaling technique. When paired with metabolic data, you can see how pedaling technique changes affect oxygen cost and efficiency.",{"type":27,"tag":35,"props":58,"children":60},{"id":59},"supported-protocols-and-devices",[61],{"type":32,"value":62},"Supported protocols and devices",{"type":27,"tag":28,"props":64,"children":65},{},[66],{"type":32,"value":67},"OpenSpiro supports all ANT+ and Bluetooth power meters. For metabolic testing, power is used as the primary intensity anchor in the FatMax GXT protocol (3-5 min stages at increasing watt targets) and the VO2max ramp protocol (continuous watt increase). The combination of breath-by-breath metabolic data with second-by-second power data creates a comprehensive picture of an athlete's physiology.",{"title":7,"searchDepth":69,"depth":69,"links":70},2,[71,72,73],{"id":37,"depth":69,"text":40},{"id":48,"depth":69,"text":51},{"id":59,"depth":69,"text":62},"markdown","content:en:knowledge:power-meter.md","content","en\u002Fknowledge\u002Fpower-meter.md","en\u002Fknowledge\u002Fpower-meter","md",[81,85,89,93,94,98,102,106,110,114],{"_path":82,"title":83,"description":84},"\u002Fen\u002Fknowledge\u002Fdiesel-vs-sprinter","Diesel vs. Sprinter — Two Athlete Types, One Test","Some athletes burn fat efficiently at high intensities. Others depend on carbs from the start. A metabolic test reveals which type you are — and how to train accordingly.",{"_path":86,"title":87,"description":88},"\u002Fen\u002Fknowledge\u002Ffatmax","FatMax - Maximum Fat Oxidation","Finding the intensity where your body burns the most fat.",{"_path":90,"title":91,"description":92},"\u002Fen\u002Fknowledge\u002Fmetabolic-zones","Metabolic Training Zones","From fat burning to VO2max - training with metabolic precision.",{"_path":4,"title":8,"description":9},{"_path":95,"title":96,"description":97},"\u002Fen\u002Fknowledge\u002Frer","RER - Respiratory Exchange Ratio","The metabolic fingerprint that reveals your fuel mix.",{"_path":99,"title":100,"description":101},"\u002Fen\u002Fknowledge\u002Fslow-endurance","Why Slow Endurance Training Makes You Faster","The science behind long, slow distance training. Why 80% of your training should feel too easy - and how to find the right intensity.",{"_path":103,"title":104,"description":105},"\u002Fen\u002Fknowledge\u002Fspiroergometry","Best Practices for Spiroergometry","Where to get a spiroergometry test, what it costs, how to prepare, and how to do it yourself with portable equipment.",{"_path":107,"title":108,"description":109},"\u002Fen\u002Fknowledge\u002Ftraining-problems","Common Problems from Training in the Wrong Zones","Achilles tendon pain, chronic fatigue, stagnating performance - often caused by wrong training intensity.",{"_path":111,"title":112,"description":113},"\u002Fen\u002Fknowledge\u002Fvo2max","VO2max - Maximum Oxygen Uptake","The gold standard of cardiorespiratory fitness.",{"_path":115,"title":116,"description":117},"\u002Fen\u002Fknowledge\u002Fwhy-vo2-testing","Why VO2 Testing — What Your Watch Can't Tell You","Heart rate zones are guesses. VO2 testing shows what's actually happening inside your body. Here's why it matters for every endurance athlete.",1776594391333]