What is the Fat Burning Zone?

What you need to know about using heart rate zones as a target for burning fat

Emilina Lomas
In Fitness And In Health
5 min readSep 1, 2021

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Photo by Andrew McElroy on Unsplash

You may have already heard of heart rate zones — whether from your doctor, social media or on your Apple Watch — they’re a common buzzword in the health and fitness industry. When talking about heart rate zones, the most popular point of discussion is the existence of the ‘fat burning zone’; a particular heart rate zone that supposedly maximizes fat burning.

As such, exercising in the fat burning zone has garnered a reputation for being an effective way to lose weight, more so than other heart rate zones. But is it real? I’m going to give you the scoop on heart rate zones, specifically the fat burning zone.

What is your heart rate?

It may seem like a question with an obvious answer, but to prevent any confusion, let’s clarify what we mean by your heart rate. The definition of heart rate is the number of heartbeats per minute, characterized by the contractions of the ventricles.

Why is your heart rate important?

In terms of your general health and wellbeing, heart rate is a way to monitor your heart health. The heart is responsible for transporting blood and oxygen around the body. If your heart rate…

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Emilina Lomas
In Fitness And In Health

Health Writer. Exercise Scientist. Wellness junkie. Philosophy enthusiast. Published author. Subscribe to my Substack: emilinalomas.substack.com/