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ALBERTJON SparkPoints: (3,133)
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Posts: 1,299
9/27/13 8:02 A

MOMMY24EDGA: If one wanted to be his/her own lab experiment while he/she lost, say, 8 pounds, this could be tried. Ok, this is hypothetical.

A gal weights 158, but wants to get to 150. She has, using the calculators, determined that at maintenance she is consuming 2000 calories. But she decides to cut it to 1500 in order to lose 1 pound a week (7 * 500 = 3500 = 1 pound).

This is what she does: she exercises worth a 500-calorie burn each morning before eating any meals for the day. Then the rest of the day she consumes 1500 calories.

She records accurately for 2 months, making sure that the bottom line averages out to 1500 calories a day. Theoretically, she should lose 8 pounds in 2 months, doing morning exercising, even before eating anything.

Well, the trouble with this hypothetical example is that weigh loss and the body's adjusting to weight loss are much more complex than that. However, I do believe that morning exercise can help a person lose weight, because one is, as NOBLEEQUESTRIAN pointed out, burning stored fat.

NOBLEEQUESTRIAN SparkPoints: (5,640)
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Posts: 247
9/27/13 7:26 A

Exercise burns the calories from fat stores in your body, not automatically from the food you eat.

In the end it's all about balancing how many calories you consume vs how many you burn during the day. There is no way to calculate exactly how much you need but over time you will know your body enough to know how much to eat vs how much to burn.

Exercise is also healthy for your body because it strengthens your heart.

ANARIE Posts: 13,200
9/27/13 2:04 A

"however if you create too much of a gap between calorie intake and burn off you can send your body into starvation mode."

This is actually a myth. You need to eat enough food to provide the nutrients your body needs. If you don't get enough of the basics, your body will react in all sorts of strange ways, but that's not "starvation mode," that's actual starvation. It's not about calories, but rather about the nutrients you "buy" with those calories. It just happens that it's pretty much impossible to get enough of those nutrients to keep an average woman healthy without eating at least 1200 calories worth of food. Exercise doesn't change your calorie/nutrient needs very much, if at all. You can tolerate more calories, but that doesn't mean you absolutely must eat more.

However, if you do anything more than moderate exercise, you CAN eat more and still lose weight, and in fact you probably *should* eat at least a little more so you don't get so hungry and worn down that you just give up.

And exercising too much can cause overtraining, where you're putting so much strain on your body that it can't heal itself and keep your immune system going. But that takes quite a bit of exercise, and the cure for it is rest, not more food.

MOTIVATED@LAST Posts: 15,456
9/26/13 11:58 P

Exercise doesn't burn a whole lot of fat or calories directly. To put things in a bit of context, your overall burn comprises:

* Most people burn between 1300 and 1900 calories a day just keeping their metabolism ticking over.
* It is generally reckoned that a sedentary lifestyle burns about 20% in addition to your metabolism through NON-exercise daily activities. Assuming a BMR of 1500, this represents an additional 300 calories
* What you burn through daily exercise.

So exercise of a few hundred calories is only a small proportion of your overall daily burn. The significance of exercise is that it is the one thing you can actually change, and also that it can help change a small calorie surplus (which will have you gradually gaining weight) into a small calorie deficit.

The body typically shifts several times per day between adding to and drawing down on fat reserves, as it meets energy demands and digests meals over a period of hours. The timing of exercise and eating is largely irrelevant to fat loss. What matters is the overall balance between calories burned and consumed over the ENTIRE 24 HOUR DAY. If you burn (in total) more than you consume, then at some stage during the day the body will have to tap its fat stores to make up the difference.


9/26/13 10:38 A

In addition to burning calories exercise is also good for you overall. It will help you maintain your strength, flexibility, and is good for your heart. Humans weren't meant to sit still all day.

TANITHSEH1011 Posts: 217
9/24/13 7:53 P

What JENNILACEY said is true, however if you create too much of a gap between calorie intake and burn off you can send your body into starvation mode. It is all about balance.

Regular excerise lowers your disease risk and raises the good chemicals in your brain that keep you happy longer.

I hope we could be helpful to you!

JENNILACEY SparkPoints: (81,972)
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9/24/13 3:34 P

You burn calories just being alive (breathing, organs functioning, creating new cells, etc.) this is called your Basal Metabolic rate.

You burn calories moving around all day, this is referred to as your activity level.

You burn calories through planned exercise.

Hypothetical person here, let's say that their;

BMR = 1500 cals
They are moderately active = 500 cals

That means it would require 2000 cals to maintain their current weight.

If they eat 1500 cals a day they get a deficit of -500 cals and start burning fat at energy. If they create that same -500 cals every day, they will lose 1 lb/week (-3500 cals = a 1 lb loss).

Now let's say this person decided to add exercise to the mix and starts burning an extra 300 cals/day.

Now it requires 2300 cals to maintain their current weight. If they eat 1500 cals, they are now creating a -700 cal deficit rather than -500 cals. Now their loss should be close to 1.5 lbs/week.

Edited by: JENNILACEY at: 9/24/2013 (15:35)
ARCHIMEDESII SparkPoints: (199,970)
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Posts: 27,313
9/24/13 2:21 P


The benefits of exercise go far beyond burning X calories in Y time. The fact is, when it comes to weight loss or weight gain, what matters most is what we eat. good nutrition is what takes the weight off and keeps it off. Exercise is what keeps our bodies fit and healthy. In short, you can't outrun a bad diet with exercise. And yet, that is what many people have done. I know, I was one of them. I felt that as long as I was "burning" calories with exercise, I could eat whatever I wanted. that's a misconception.

If a person really wants to take the weight off and keep it off, the must eat right and watch their portion sizes.

Why do we exercise ? We exercise to keep our heart and internal organs health. What else can regular exercise do ? It can help reduce our risk for cardiovascular disease, diabetes, osteoporosis and maybe even cancer. Regular exercise improves our overall quality of life.

Can it help us lose weight ? Regular exercise can only help a person lose weight IF a caloric deficit is created, calories in versus calories out. Burn more than you take in and in theory, you lose weight. Does this always work ? NOPE.

Weight loss is not an exact science. If it were, we'd all be thin just by virtue of burning more calories than we took in. What works nealty on paper doesn't work so neatly with human biochemistry.

Don't get too hung up on trying to burn more calories than you take in. Instead, think of ways your exercise routine can be fun and help improve your overall quality of life.

MOMMY24EDGA SparkPoints: (862)
Fitness Minutes: (42)
Posts: 14
9/24/13 2:08 P

ok I'm slowly learning to be healthier. I don't really understand exercise.l If I exercise in the mornings, and burn calories. Then eat bk, lunch and supper how is the exercise helping if i eat calories after i exercise? I'm confused on how exercise will help if i burn calories then eat, isn't that defeating the purpose? Just trying to understand.

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