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Tag · 3 articles

flight time

Flight-to-Contact Ratio: Diagnosing Whether a Jump Problem Is Slow Contact or Low Flight
guides·9 min read

Flight-to-Contact Ratio: Diagnosing Whether a Jump Problem Is Slow Contact or Low Flight

RSI dropped, but why? Split flight time from ground contact time to tell slow contact from low flight before you pick a fix.

RSI·flight-time·contact-time
Jump Height Measurement Methods: Accuracy Comparison Study
research·9 min read

Jump Height Measurement Methods: Accuracy Comparison Study

Jump mats read 4.6cm higher than force plates on average. Compare force plate, IMU, video, and mat error rates to pick the right tool for your context.

jump-height-measurement·method-comparison·flight-time
Jump Height Measurement Methods: Flight Time vs Force Plate
research·10 min read

Jump Height Measurement Methods: Flight Time vs Force Plate

The h = g x t^2/8 formula assumes equal takeoff and landing height. Hip pike and knee bend break that and skew results 1-3cm. IMU validation data inside.

jump-height·measurement·force-plate