From the Flight Deck

User:Extremepullup performing a standard dead-...

Ben Greenfield
Fitness and Triathlon expert;
Get-Fit Guy podcast host
Posted: 02/ 5/2012 8:17 am

Your body’s most efficient energy source is fat.

Just one pound of stored fat can provide about 3,600 calories of energy, which is far more than most people actually burn in a single day. In comparison, a pound of storage protein or carbohydrate provides less than half that much energy.

Since it’s so efficient to use as energy, your body relies primarily on fat during rest and during relatively slow and easy physical activity. But once you begin moving quickly, your body begins to burn more carbohydrates, since fat doesn’t provide energy as quickly as carbohydrates. When you need to get from point A to point B quickly (like a running race), or need to hoist a heavy object overhead (like weight training), your body needs more immediate energy, and that’s where…

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About swimbikerun1
Devoted Father, Husband and Employee.Endurance sports fanatic (running,cycling,swimming).Triathlon athlete and coach.If only days had more than 24 hours.

One Response to

  1. Pingback: How to Find (and Use) Your Fat-Burning Zone « mytopweightloss

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