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6 articles
A watch does not measure your VO2max, it estimates it. Why that estimate is surprisingly good for recreational athletes, and why it misses for the very best.
Whoop says rest day, Garmin recommends threshold training. Why wearables contradict each other, and why picking your measurement method matters more than asking who is right.
On many Garmin watches HRV recording is off by default and gets reset by firmware updates. Here is how to enable it so obseed can analyse your heart rate variability.
Comparing the top HRV apps for runners, cyclists, and triathletes. Oura Gen 3 hits 7.15% MAPE — see how obseed, HRV4Training, Elite HRV, WHOOP, and Garmin Connect stack up on metrics depth and value.
A detailed comparison of sleep tracking accuracy and metrics across Garmin, Oura Ring, and WHOOP. Learn which device gives the most useful sleep insights for endurance athletes.
60+ HRV metrics across 9 physiological categories from your wearable. Research-grade analysis: Poincaré, DFA alpha-1, multiscale entropy, personal baseline, and 15-page reports.