Calories is an energy measurement of the amount of energy obtained from food that is available through cellular respiration.

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5answers
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Is it necessary to eat fewer carbs in order to lose weight?

I'm using DailyBurn.com as my guide/tracking system for losing weight and I always seem to hit my recommended carb limit for the day really easily. I really like eating rice, pasta and bread. To put ...
16
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3answers
1k views

Are calories the only important aspect of a diet?

I've recently started using apps like MyFitnessPal to calculate the amount of energy and nutrients I consume and do some simple number crunching for me. However, all these apps seem to be focused on ...
11
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2answers
6k views

How does our body dispose of excess calories (physiologically speaking)?

My question is whether all the excess energy that is left every day always go to fat, or can it be wasted or disposed of somehow? (for example by not digesting everything to 100 percent?) Now, I am ...
10
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4answers
1k views

Is it true that thinking uses a lot of calories?

I have read a lot of stuff that says the brain is one of the parts of the body that consume the most oxygen. Is this true? Does that mean when you're thinking hard, you're actually burning a lot of ...
10
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2answers
6k views

How many calories are burnt per hour sitting on an exercise ball?

How many calories are burnt per hour sitting on an exercise ball? I have seen a number of 350 calories extra per day being tossed around on internet with no evidence or explanation. I assume thats ...
10
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2answers
478 views

Theory to burn Calories with muscle

Once I had a physical education teacher at the University tell me that he is experimenting with a theory. The theory is that muscle burns calories and that as muscle mass increases, the amount of ...
9
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4answers
30k views

Should I eat more calories when working out even though I'm trying to lose weight?

For example, if I use one of these calculators that tells me how many calories to eat, if I put in that I am sedentary it tells me to eat (for example) 2000 calories. If I put in that I'm moderately ...
9
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3answers
23k views

What's the difference between calories and kcal

What are the differences between Calories, calories, and kcals? Why do we have different terms to describe the same concept? In what cases is it useful to use one unit of measurement over the other? ...
9
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1answer
1k views

At what point do I start to burn muscle on a calorie deficit diet?

If I'm on a calorie deficit and trying to burn fat, at what point do I start burning muscle instead of fat? How can I be sure that I'm eating enough to minimize muscle loss, but remain on a calorie ...
9
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6answers
2k views

How can I calculate calories burned during an activity?

I've found various online "calculators" for looking up how many calories are burned when doing an exercise like using an Elliptical machine. Is there a way to calculate how many calories I burned ...
9
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4answers
694 views

How to compensate for a brownie sundae?

Every now and then I'll indulge in an extravagant dessert, such as a brownie sundae, which contains as many calories as I'd normally eat for dinner. What is the best way to nutritionally compensate ...
8
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3answers
399 views

Strength Training, Muscle Mass, and Weight Loss

I heard on a podcast that pounds of fat burn calories at a different rate than pounds of muscle. The thinking is that a pound of fat, sitting idly over the course of the day, requires X calories, ...
8
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6answers
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Always running out of energy when running

I'd love to get some advice on this one. tl;dr: I can't figure out my calorie intake, and often end up dying in the middle of my 5k runs. The longer version: I've been running since ...
8
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3answers
2k views

Do you burn more calories doing an exercise when it's new to you?

When you first start out doing a particular exercise, obviously it's harder than if you've been doing it for a while and your body is used to it. Does that mean it takes more energy, and that you ...
6
votes
4answers
3k views

As long as I do enough exercise, can the effects of junk food intake be offset?

So it's been explained to me that it's basically just a matter of burning more energy than you consume. So say, in theory, if I were to do heaps and heaps and heaps of exercise every day. But then I ...
6
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2answers
1k views

Does exercise REALLY increase the basal metabolism rate for any significant length of time after the exercise is over?

I am new to this site, but have read several questions and answers here that are related to this question and have found different contradictory answers. Some say that the only effect is that a ...
6
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4answers
2k views

Why can extreme athletes eat so many calories without health risk?

Michael Phelps (the famed Olympic swimmer and many-time gold medalist) is one of the most fit people in the world, and most people would look at him and say that he is extremely healthy. However, he ...
6
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2answers
115 views

Teen Calories/ Workout

I am a 16 year old boy. I work out for 15 minutes daily (intense cardio and about 50 pushups), and I am mildly active. I have read online that I should be eating between 2000 and 3000 calories a day, ...
6
votes
1answer
462 views

Does sitting in a sauna actually stimulate weight loss?

My bodybugg gadget actually seems to think that I'm burning more calories when I'm in the sauna, but I'm kinda skeptical. Does sauna time really accomplish anything?
6
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1answer
11k views

How many calories are burned while doing interval running?

Since I've started running I've noticed that my appetite has gone up incredibly.I need to know how much I can eat to stave off the hunger while staying under my caloric burn. Is there a way to ...
5
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2answers
4k views

Calories to consume on workout days

I did a calorie calculator to see how many calories I should consume in a day. I'm getting between 1,300-1,500 in a day. So, on days I work out, like today, I burned around 500-600 calories. Should I ...
5
votes
1answer
6k views

Is it possible to measure calorie burn from heart rate alone?

I have a Polar heart rate monitor chest strap, and a compatible Android phone on which I can run a number of different apps for recording my heart rate. My primary interest is in how many calories I ...
5
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3answers
2k views

What activity level should I choose in calorie calculators?

My goal is to gain weight, primarily for muscle bodybuilding (not professional). In various online calorie calculators I need to choose my activity level. I'm always stuck on which one to choose. For ...
5
votes
1answer
689 views

What is the benefit of eating excess calories when strength training?

Is there a benefit to eating excess calories while strength training? Programs like Starting Strength suggest that a novice should be eating many calories in excess of what is needed, and that in the ...
5
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1answer
289 views

Why doesn't it add up when calculating the macronutrient calories for a food? [closed]

I'm wondering why this isn't adding up: 10 oz. of Chicken Breast 300 calories Carb: 0g Protein: 60g Fat: 3.8g When calculating the calories that come from each macro in the food: Carbs: 0 * ...
5
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2answers
104 views

Impact of cardio-exercise duration on burned calories

I've used a calorie calculator some time ago that had two different options for running. Running Running (less than 10 minutes) I can only guess wildly. Maybe because the body burns energy ...
5
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0answers
69 views

Roughly how many calories does one pull-up burn?

Here are my back-of-the-envelope calculations. I account only for the energy expended in pulling your body mass up. Say you are 70kg (approx 155lbs) and a pull up raises your mass up by 60cm (approx ...
4
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3answers
1k views

Estimated calories you burn throughout day

If one has normal activity throughout the day, for example wake up at 10AM sleep at 11:30PM, drive to work, work, walk to get lunch, drive home, do laundry, etc. What is the estimated amount of ...
4
votes
1answer
4k views

Does working out with a sweatshirt on burn more calories?

I am over weight (6 ft 1" and 105 kgs/231 oz). I started working out 8 months ago and I have lost 25kgs/55 pounds. I run for 25 minutes (and cover about 3.20 kilometers/2 miles in that time ) on the ...
4
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3answers
356 views

Why Aren't I More Tone?

For the last four months I have been doing the Insanity workout. During this time I have decreased the amount of food I eat to about 1800-2000 calories a day. I drink the recommended amount of water ...
4
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3answers
1k views

Does duration or intensity or both affect how many calories are burned in a cardio workout.

Is there a relationship between heart-rate over time and calories burned, or is it just duration? What about a non-cardio workout?
4
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2answers
142 views

How to stay fit with lowest possible calorie burn?

Suppose you were in a situation of restricted access to calories -- at or perhaps even below what you need to sustain your weight long-term -- but wanted to stay/get in the best shape possible under ...
4
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1answer
958 views

Is 3400 calories a day unreasonable for me?

Was reading one of the answers to this question that based on the calculation suggests I intake 3400 calories a day. I have a scale at home that measures body fat and also calculate about the same ...
4
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1answer
262 views

Daily calorie intake

Based on my height, weight, age, exercise levels, how many calories should I be consuming daily to lose a healthy amount of weight each week/month? I have been to about 5 difference sites and have ...
4
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1answer
330 views

“Negative” Calorie Foods to Renew Energy

Apples, celery, cabbage, and etc. are considered "negative" calorie foods. While I understand that the "negative" portion of that statement is largely mythical in nature, as they are actually just ...
4
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1answer
2k views

Weight gain diet for a Pescetarian?

I was weight gaining/lifting about 5 years ago on a diet consisting of a lot of chicken, beef and tuna. However, I stopped, and have since then stopped eating factory farmed meats, and now have a ...
4
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2answers
181 views

Calorie counter on an exercise machine is it actual or approximation?

On any machine that gives you the amount of calories burnt, is the calorie count actual or approximation based on weight / effort? If it is an approximation, any idea on what would be the average +/- ...
4
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3answers
166 views

Burned only 225 cals in 25 minutes doing cardio. Is it less or adequate for a 5 feet 114 pound girl?

I did only cardio workout in the gym today: 10 mins incline walk at 5.8 kmph with incline 4 - 50 cals 8 min repeat of same incline walk - 50 cals cross trainer at intensity 2 for 12 mins - 100 cals ...
4
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1answer
329 views

Estimating burnt kcal from one type of activity when measured by heart rate and measurement assumes different activity?

I have a certain watch that can be linked to a heart rate monitor. It then will give me the amount of calories based on the premise that I am running. However, obviously the watch can be used also for ...
4
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1answer
549 views

How are calories calculated in food [closed]

How are calories calculated in food? Do they sum all the energy in every molecule? By for example, by burning the stuff up and calculating the energy output. Or is this value supposed to represent ...
4
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1answer
1k views

How to accurately work out calories burned on exercise bike

I am looking for a way to accurately workout how many calories I am burning on my bike. I have a standard bike mounted on a cycle exercising stand. At the moment, I have no way of working out ...
4
votes
3answers
134 views

Can one calculate the energy expenditure of specific lifts?

So I was wondering if there are formulas to calculate the energy expenditure of common lifts, like deadlifts, bench press, squat etc. I know that every formula could only be an approximation, due to ...
3
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1answer
2k views

Formula to count calories burned during swimming

The swimming calculator site tells you how many calories are burned during swimming based on a formula by the University of Wisconsin. Our swim calorie burned calculation is an estimate using on ...
3
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2answers
1k views

Does cardio burn fat differently than burning calories though non-cardio workouts?

I have read over and over again that you can't target specific areas to lose fat in. Also we know that if we burn more calories than we consume, we lose weight. My question is then: Does it make a ...
3
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2answers
2k views

Which calorie count for exercise should I trust?

I've been working out by running around the neighborhood lately, and I've been tracking my runs on two running sites, as well as keeping track of the calories on MyFitnessPal. However, I've been ...
3
votes
2answers
971 views

Does drinking ice water burn up to 1000 extra calories per day? [duplicate]

Possible Duplicate: Does being cold help lose weight? I read this comment on a YouTube video showing body builders having breakfast: Ice water. That's the key. Not just plain water - ...
3
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2answers
308 views

Getting enough calories with a suppressed appetite

I never thought I'd be saying this...but I need to be eating more. I recently switched to a new medication which has been suppressing my appetite to the point that I can go all day without eating. I ...
3
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1answer
489 views

Should I be getting more calories? [closed]

I've been using the Lose It! iPhone app for a few months now and it seems I'm pretty consistently well under my daily calorie budget, even on days when I'm very careful to get the measurements right. ...
3
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2answers
117 views

Best workout time vs eating time

At the beginning of the year, i started my own weight loss plan (eat less, move more), and it was successful in that i lost just over 3 stone (44lbs). It slowed down a lot after 4 months and i more or ...
3
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1answer
1k views

Calorie Counter from heart rate monitor Vs. Elliptical machine

I used an elliptical machine at high intensity (not crazy high) for around 20 – 25 minutes, the elliptical machine workout said that I burned 600 calories where as the heart rate monitor said that I ...