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Week 2: The Science - and Limits - of Heart Rate Variability (HRV)
A conversation with Thomas Watson
13 hrs ago • Marco Altini
Week 1: HRV, HRV Guided Training and HRV Misconceptions
Plus a few experiments around the 'aerobic threshold'
Jan 8 • Marco Altini
Week 51: Fatigued or Saturated?
Learn to spot important differences in HRV data
Dec 17, 2025 • Marco Altini
Week 50: Heart Rate Variability: A Case Study
Hi there 👋
Dec 9, 2025 • Marco Altini
Week 49: Heart Rate Variability: A Deep Dive
Hi there 👋
Dec 2, 2025 • Marco Altini
Week 48: What HRV Can Or Can’t Tell You About Nutrition
Hi there 👋
Nov 25, 2025 • Marco Altini
Week 47: Intensity as the Primary Driver of Autonomic Change
In Team Sports Too!
Nov 19, 2025 • Marco Altini
Week 46: Heart Rate vs Heart Rate Variability
And a follow-up on metabolic flexibility
Nov 12, 2025 • Marco Altini
HRV4Training's Substack
HRV4Training's Substack
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Marco Altini’s Substack
Marco Altini’s Substack
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