Rerelease: Dr. Phil Maffetone 22: The Eight Steps To Mastering MAF, Healthy Body Fat Ranges, and How Athletes Can Decrease Health Risks
Endurance Planet
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The Arobic System Is One of the Keys
In endurance sports, the foundation of a performance is the arobic system. The antioccidents do their work in the slow twitch, arobic muscle fibres. If you only train at that m a f heart rate, you'll run your personal best without doing any speed work.
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