『Episode 205 - How Athletes Are Training Smarter Than Ever Using Ventilation Metrics w/ Tymewear Founder Arnar Larusson』のカバーアート

Episode 205 - How Athletes Are Training Smarter Than Ever Using Ventilation Metrics w/ Tymewear Founder Arnar Larusson

Episode 205 - How Athletes Are Training Smarter Than Ever Using Ventilation Metrics w/ Tymewear Founder Arnar Larusson

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Hello everyone. Welcome to the latest episode of The Matchbox Podcast powered by Ignition Coach Co. I’m your host, Adam Saban, and on this week’s episode we’re talking to the founder and CEO of Tymewear, Arnar Larusson about all things training with ventilation metrics. As always, if you like what you hear, share this with your friends and leave us a five star review and if you have any questions for the show drop us an email at matchboxpod@gmail.com or head over to ignitioncoachco.com and fill out The Matchbox Podcast listener question form. Alight let’s get into it! For more social media content, follow along @ignitioncoachco @adamsaban6 @dizzle_dillman @dylanjawnson @kait.maddox https://www.youtube.com/c/DylanJohnsonCycling https://www.ignitioncoachco.com https://www.youtube.com/@DrewDillmanChannel Intro/ Outro music by AlexGrohl - song "King Around Here" - https://pixabay.com/music/id-15045/ The following was generated using Riverside.fm AI technologies Summary This episode features Arnar Larusson, founder and CEO of Tymewear, talking about why breathing may be the missing signal in endurance training. The discussion centers on how ventilation can give coaches and athletes a more reliable view of internal workload, training zones, fatigue, and perceived exertion than heart rate alone.We also hear from Adam and Dizzle as they pressure-test the practical side of the tech, from zone setup to high-intensity work to whether the strap holds up in winter layers. Key topics Arnar Larusson shares how an engineering background in prosthetics and exosuits led him to endurance physiology and eventually to building a breathing sensor for athletes.The core idea behind Timeware is that lab-grade insights about ventilation, thresholds, and metabolic output were not accessible in the field, so the company built a way to bring that signal outside the lab.Arnar explains why he sees heart rate as only one limited piece of the performance picture, especially when it is affected by heat, altitude, fatigue, and fueling.The episode breaks down why ventilation is a stronger reference point for training zones because it is more directly tied to what the muscles are doing.Arnar walks through the evidence behind poor zone estimation using population averages, including the problem of large error margins and high non-responder rates.Adam and Dizzle dig into the relationship between breathing rate, RPE, and how the strap could help athletes better calibrate effort in real time.The conversation covers why ventilation is especially useful for endurance work and threshold work, while power remains the better guide for short VO2 max intervals.Arnar explains how the strap’s dedicated breathing sensor differs from estimating respiration through HRV, especially once exercise intensity rises.They discuss how fatigue, race load, altitude, and heat can distort heart rate and power, while ventilation often stays the steadier anchor.The episode also touches on practical use cases like winter clothing interference, dynamic zones, and how the product may help coaches understand athlete readiness and training response. Timestamps 00:00 - Introduction to Arnar Larusson and the breathing sensor concept 00:34 - Arnar’s engineering background and the path from prosthetics to exosuits 01:29 - Why lab-grade breathing data mattered in the field 02:49 - The gap between lab testing and real-world athlete feedback 04:43 - Why breathing became the missing performance metric 05:01 - Timeware’s launch timeline and the Vital Pro Strap rollout 06:02 - Why heart rate alone is too limited to guide training 07:24 - The problem with population-based training zones 08:51 - Why true VT1 and VT2 zones matter more than estimated percentages 10:15 - Breathing as a cleaner signal than lactate or heart rate 11:41 - Why ventilation works as a foundation for interpreting other metrics 13:40 - The breathing rate and RPE connection 15:20 - How breathing rate can help objectively estimate perceived effort 16:22 - Using resting breathing data to set reserve and calibrate effort 17:38 - Why the strap complements heart rate instead of replacing it 18:35 - How ventilation helps distinguish fitness gains from fatigue effects 20:31 - Why power, heart rate, and ventilation can diverge during long efforts 22:39 - Why ventilation stays stable at altitude while power and heart rate shift 24:02 - How coaches think about custom heart rate zones versus ventilatory zones 26:22 - Ramp testing and how the app builds zones from multiple signals 27:52 - How heart rate responses vary by athlete, fitness, and season 28:58 - Jonas and the Visma example of a large VT1 shift in one month 30:19 - The psychology of getting attached to old training numbers 31:14 - Breathing as a grounding metric for effort perception 33:48 - Why ventilation is closer to a continuous lactate signal than heart rate is 35:48 - Why lactate is useful but delayed and ...
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