how long does it take to get cardio workouts to burn fat?

Question

I heard that you body only starts burning body fat after 20 minutes of cardio...is this true?......

Answer 1

Depends on where your metabolism is at when you work out. (ie) when you had your last meal, what you ate, etc. As a rule, I lift weights first and follow immediately with cardio. 2 benefits to this workout. 1 you build muscle (which helps burn fat while you sit at your computer) and 2 you've spent all the glucose in your blood on your weight lifting workout. So now when you do decide to do cardio, your will immediately begin burning fat. You win both ways.

Answer 2

It really depends on you and the day, but I find you can feel it. You hit sort of a tired moment when you feel drained. Thats the end of your energy being burned up. Push through that and you get a second burst of energy; that's tapping in to your fat. I find it's right about the time I break a sweat. Up until then, it feels so difficult. As soon as I break a sweat I feel like I could go for ages. I've heard anywhere from 10 mins to 30 mins.. for me it's around 10/15. But you don't HAVE to go for longer. If you burn off just your energy, it can never be converted to fat, right? So it's the same either way!

Answer 3

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Answer 4

no i don't think so