4min chapter

The Art of Manliness cover image

Get Fit, Not Fried — The Benefits of Zone 2 Cardio

The Art of Manliness

CHAPTER

Zone Two Cardio

The heart becomes more efficient when it actually takes more blood in. Zone two cardio is right in that sweet spot where that quote unquote preload allows the heart to take in the optimal amount of blood. The more eccentric hypertrophy, which effectively refers to the flexibility of the heart, the more of that we get, the more efficient the heart becomes. Doing zone two work allows our heart to be more efficiently. It allows us to put more blood per contraction. And it's also extremely good for the overall signal quality within the heart muscle itself.

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