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Fatigue, Part 5 – The Central Governor Theory

  The scientific information presented in the first four sections on the onset of fatigue during exercise (Part 1 Fatigue-Energetics, Part 2 Fatigue-Anaerobic Alactic Energy System, Part 3 Fatigue-Anaerobic Glycolytic Energy System, and Part 4 Fatigue-Aerobic Energy System) pointed out the importance of beginning each discussion on energy system metabolism and fatigue with basic knowledge…… More

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Fatigue, Part 4 – The Aerobic Energy System

The scientific information presented in the first three sections on the onset of fatigue during exercise (Part 1 Fatigue–Energetics, Part 2 Fatigue–Anaerobic Alactic Energy System, and Part 3 Fatigue–Anaerobic Glycolytic Energy System) pointed out the importance of beginning each discussion on energy system metabolism with basic review of adenosine triphosphate (ATP) and its role in…… More

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Fatigue, Part 2 – The Anaerobic Alactic Energy System

Information presented in the first section on fatigue during exercise (Part 1 Fatigue-Energetics) pointed out the importance of beginning every discussion on energy system metabolism with knowledge of adenosine triphosphate (ATP) and its role in muscle contraction.  Humans have evolved using three metabolic energy systems for their daily activities which may range from lifting a…… More

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Fatigue: Part 1 – Energetics

The onset of fatigue in certain systems of the body is what causes running performance to deteriorate and degrade.  Too much fatigue and exhaustion occurs, with the inability to continue an activity.  Fatigue can be acute, as in a single race or training session, or chronic, as in inadequate day to day regeneration of the…… More

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The Curious Case of Lactate

  Lactate is produced in the cells of the body on a constant basis.  Quick, blink!  You just produced lactate in the muscles of your eyelid.  Because these sorts of activities produce very small amounts of lactate, the body disposes of it quickly and efficiently by transporting it to the liver where it is filtered…… More

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