Science question about fat burning

[anabolictonic]

Theoretically if you sprinted a mile, jogged a mile and walked a mile wouldnt it require the exact same amount of newtons of force to get the object from a to b regardless of how fast you did it? Or would momentum or things alike come into play?

And how does this translate to calorie burning? surely they would all consume the same amount even though the joules of energy are being recruited from different sources at different speeds ( atp/carbs for sprinting? i think thats right? and energy from fats at slower paces?

i guess what im asking is:

is the first statement true?

and a dumber question - is there a relationship between newtons and joules?

thanks.

[Phate]

Theoretically if you sprinted a mile, jogged a mile and walked a mile wouldnt it require the exact same amount of newtons of force to get the object from a to b regardless of how fast you did it? Or would momentum or things alike come into play?
running a mile in 4 minutes and walking a mile in 20min requires the same amount of energy
And how does this translate to calorie burning? surely they would all consume the same amount even though the joules of energy are being recruited from different sources at different speeds ( atp/carbs for sprinting? i think thats right? and energy from fats at slower paces?
read up on glycolysis, fermentation and cellular respiration, that is what you are looking for
i guess what im asking is:

is the first statement true?

and a dumber question - is there a relationship between newtons and joules?
One joule is the amount of work done when an applied force of 1 newton moves through a distance of 1 metre in the direction of the force
thanks.

bold

[anabolictonic]

Thanks phate

[MuscleScience]

Your correct that you burn about the same amount of energy walking a mile or running a mile. The million dollar question that is a hot research topic right now is how many calories does one burn after the exercise. The amount of work is about the same its just the time it takes you to get to the end of that mile.

This is the steady state vs HIIT debate that is going on right now in the scientific community.

[theshiz777]

I believe that running, jogging, and walking 1 mile will burn the same amount of calories. I do believe that cardio should never be done with a distance for a goal, but rather a time.

walking + 1 hour = calories burned
jogging + 1 hour = moderate amount of calories burned
running + 1 hour = great amount of calories burned
sprinting + 1 hour = maximum amount of calories burned

The faster you move the more distance you cover in a specific amount of time, the more calories you can burn in that specific amount of time.

I just noticed that

walking
jogging
running
all line up.....hehe

[BrokenBricks]

I seriously doubt it is the same amount of calories. For the same reason that riding a bike for 10 miles will burn fewer calories than walking it would. When you ride all of the work you do goes into lateral momentum and only air resistance and the resistance intrinsic to the bike mechanism. When you walk the mechanism makes you expend more energy for a given distance because your work is not as efficiently translated into horizontal motion. When you run you are using quite a lot of energy bouncing up and down moving your center of gravity vertically. The return fall is cushioned and absorbed by your legs but not well transferred into horizontal motion. The issue here is that differing movement mechanisms have differing efficiencies.

[MuscleScience]

I seriously doubt it is the same amount of calories. For the same reason that riding a bike for 10 miles will burn fewer calories than walking it would. When you ride all of the work you do goes into lateral momentum and only air resistance and the resistance intrinsic to the bike mechanism. When you walk the mechanism makes you expend more energy for a given distance because your work is not as efficiently translated into horizontal motion. When you run you are using quite a lot of energy bouncing up and down moving your center of gravity vertically. The return fall is cushioned and absorbed by your legs but not well transferred into horizontal motion. The issue here is that differing movement mechanisms have differing efficiencies.

No no it is, you can put a person on a treadmill and hook them up to a respirometer and count the carbons that a person blows off. It gives you a very accurate picture of how much energy a person is using.

[rockinred]

If you are strictly talking about the calories burned then they are the same... but the benefit of running vs. walking on your heart and physics... the running/jogging is much better... if you are only looking to burn calories then i guess you could walk 4 miles vs run 4 miles...I would rather capitalize on the other benefits though...

[BrokenBricks]

No no it is, you can put a person on a treadmill and hook them up to a respirometer and count the carbons that a person blows off. It gives you a very accurate picture of how much energy a person is using.

Please post a link to the study.

[Phate]

Please post a link to the study.

he probably performed the study, it's what he does for a living, and you can't compare someone walking to someone biking, you are leaving out mechanical advantage completely in that analogy or the tour de france would not be possible

[FireGuy]

The point that seems to be overlooked here is bodybuilders doing cardio are not worried how many calories they are burning they are worried about how much fat they are burning. Conventional wisdom suggests a lower intensity, longer duration cardio session burns a higher RATIO of fat calories of total calories burned.

[MuscleScience]

I think it will be very interesting to see how much exercise physiology changes in the next 5-10 years. Just in the last 5 years so much has been questioned and has changed. Even the Sliding filament Theory is being question, which at one point was almost exercise gospel. I am in fact guilty at times of not questioning enough of what I have learned to be true in regards of exercise. The problem is there is so much to know that it virtually impossible to keep up on everything.