Tag: physiology
All the articles with the tag "physiology".
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From Metrics to Intuition: Deconstructing Five Intensity Indicators and Your Physiological Map
No single metric can define training intensity on its own. A breakdown of heart rate, pace, power, lactate, and RPE — their blind spots and how they complement each other — to build a multi-dimensional navigation system for serious runners.
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Your Achilles Tendon Isn't Just a Spring
The Achilles tendon doesn't just recycle elastic energy — its more important role is keeping muscle fascicles near isometric, dramatically cutting ATP cost per step.
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Three Heart Rate Zone Methods: HRmax, HRR, and LTHR
Comparing HRmax, HRR, and LTHR as training zone anchors — and why LTHR tracks your fitness where the others can't.
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Running Form Is an Outcome: How Movement Is Generated
Running form is a nervous system output, not an installable skill. Bernstein's theory explains the mechanism.
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Running Economy: It's Deeper Than Your Form
External biomechanics explain 4–12% of running economy. Efficiency is built deeper, in neuromuscular and tendon systems.