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[Q&A] How To Get Started With Breathing Exercises Using Biofeedback
A practical guide.
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[CoachCorner] When Metabolic Flexibility and Performance Move Together: Matteo’s Case Study
A practical example of how metabolic flexibility can be improved without energy restriction or compromised training.
Jan 31
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Marco Altini
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Recent articles and updates [January 2026]
Heart rate variability (HRV), endurance coaching, training talk, wearables, entrepreneurship, and some ramblings.
Jan 29
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Marco Altini
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(Another) Independent Validation of our Phone Camera-Based Heart Rate Variability (HRV) Measurements
Heart rate variability (HRV) is only as useful as the quality of the data it is based on.
Jan 26
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Marco Altini
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[Podcast] Inside Sports Nutrition: Dr. Marco Altini's Metabolic Efficiency Experiment - Ep. #215
A conversation with Bob and Dina
Jan 8
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Marco Altini
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That's a Wrap for 2025
Heart rate variability (HRV), endurance coaching, training talk, wearables, entrepreneurship, and some ramblings.
Dec 30, 2025
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Marco Altini
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[Podcast] 1% Better: HRV, HRV Guided Training and HRV Misconceptions - Dr Marco Altini
A conversation with Xylon van Eyck and David Lipman
Dec 27, 2025
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Marco Altini
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[Podcast] Ciclismo KOMpetente - Marco Altini, flessibilità metabolica, nutrizione periodizzata, HRV (ITA)
Una chiaccherata con Mattia Gaffuri
Dec 25, 2025
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Marco Altini
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Marco Altini’s Substack
Heart rate variability (HRV), Endurance Coaching, Technology, Life, and other ramblings
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