Why HYROX and CrossFit Build Different Physiques (physiology explained)

Want to train harder, stay injury-free, and actually enjoy it? ⤵️ 💪 All Our Training Plans // CrossFit, HYROX, Affiliate→https://strivee.app/marketplace/p/wod... 🩸 10% off Muscle Oxygen Sensors (NIRS) via https://train.red/collections/smo2-se... - use code WOD_SCIENCE at check-out. 🎙️ JOIN WOD-Science Deep Dive for members-only podcasts and live Q&A sessions.    / @wod-science   🟢 Get early access to the WODMotions movement sensor: https://wodmotions.com/ (this is cool stuff) – HYROX athletes seem to be getting leaner, not only because more athletes from the endurance world seem to find the challenge in HYROX, also because of the nature of the modality. In this video I lay-out the differences (physiologically) between hyrox and crossfit and detail why bigger muscles actually hurt endurance & hence HYROX performance, both from a practical and biological perspective. References you can read: Hans Degens paper: https://pubmed.ncbi.nlm.nih.gov/40481... Durability review (good read): https://pubmed.ncbi.nlm.nih.gov/33886... – Follow us for direct updates on IG:   / wod_science   TIMESTAMPS 00:00 - Intro 01:35 - Disclaimer 02:35 - Obvious & less obvious differences between HYROX and CrossFit 07:10 - Bigger muscles will hurt endurance (practical & biological reasons why) 12:30- Diffusion constraint 17:05 - Physical constraint 19:50 - Example Willy Georges 21:45 - BMI CrossFit vs Hyrox (and where we are going) 24:50 - Why are endurance athletes not ‘indefinitely light’? (durability) 26:30 - Sign-up to the WOD-Science training community! 27:40 - The Pareto optimum applied to HYROX & CrossFit (take-away) #hyrox #crossfit #science