Hi Everyone,
So if you are like me, or in fact any normal human being, you will have at one time or another wanted to lose some weight. How important that is to you will to a large extent depend on just how overweight you believe you are, and what your end goal is.
So you want to lose weight…….then what? How, over what period, in what way? Does this mean you’ve got to go on a diet? And if so which one, there are literally hundreds of them.
Now at this point I’m going to own up to being something of a hypocrite. I have written articles before (see here) where I have attacked diets and said that they don’t work. For me that still holds true. Rather than going ON A DIET I would advocate adopting a long term healthy eating plan that you can maintain AND that also allows you to eat some of the things you enjoy and have a blow out now and then whilst still controlling your weight.
However, that is not to say that you can’t adopt a plan to lose weight when necessary and this article is purely about the mechanics of how to do that. The subject has become almost fiendishly complicated in many peoples minds and my aim is to simplify it as much as possible. Low carb? Low Fat? High Protein? Which is the right path? Most people become so confused and frustrated they just revert back to their normal eating habits and never achieve the results they want.
So lets start with the basics….Calories. You’ve all heard of those right, your dreaded enemy in the battle with the scales. Well not really, a Calorie is just a calorie, it’s neutral. It’s how many and what you do with them that counts.
Calories and what to do with them.
A calorie is simply a measure of energy, heat energy to be precise. Food releases energy as it burns inside the body, so the more calories something contains, the more energy it releases. Body fat is essentially stored energy. So if you don’t use up the energy (Calories) that you eat, your body will store them as fat for future use (or not). Here is the first Maths fact. Each pound of Fat contains 3500 Calories. So in simple terms if you eat 3500 calories more than you use in a week, you will gain roughly a pound of fat.
Essentially you can think of your body as a bank account and Calories as money. If you use/spend the exact amount you put in the account you will remain level. If you put in more than you use your balance will go up (gain fat), and if you use more than you put in your balance will go down (one of the few times its good to spend too much).
To some extent it really is as simple as that. Use more Calories than you eat and you’ll lose weight. From a purely weight loss/gain point of view it also doesn’t really matter where those calories come from ie whether it is healthy or completely unhealthy food, the result will be the same. However not all calories are created equal and clearly from a health, nutritional, muscular, vascular and overall wellbeing perspective its good to eat as healthily as possible and get your calories from good sources. Don’t just eat rubbish.
So, here is the key part. How do you work out exactly how many calories you use and how many you should be eating to obtain your goals.
This is where it becomes slightly more difficult, but keep reading and I’ll make it as simple as possible. Each persons metabolism (the speed and rate at which it burns calories) will vary slightly and is affected by how much and what type of activity and exercise you do. It also varies slightly from men to women. Roughly speaking however, these figures will work.
First you need to work out your Base Metabolic Rate (BMR). This is the rate that if you laid in bed all day and did very little you would burn calories. Essentially its your maintenance rate each day.
Do this calculation: 66+ (6.3 x your weight in pounds) + (12.9 x height in inches) – (6.8 x age in years). So to use me as an example: (6.3 x 168lb) + (12.9 x 68) – (6.8 x 48) = 1675. So my BMR is 1675. You then have to factor in just how active you are. Do you sit at a desk all day and do no exercise, or do you work as a labourer and go to the gym?
Sedentary – desk job, very little exercise. Multiply BMR x 1.2
Lightly Active – Workout or do some activity 1-3 days per week. Multiply BMR x 1.325
Moderately Active – workout 3-5 days per week. Multiply BMR x 1.55
Very Active – workout 6-7 days per week. Multiply BMR x 1.725
Extremely Active – workout everyday in addition to a physically demanding job (rare). Multiply BMR x 1.9.
So again using me as an example. I am probably between moderately active as i workout 5 days a week but do a sedentary job, so i took a figure of 1.55. 1675 x 1.55 = 2596.25. So for me my Total daily expenditure of Calories living the lifestyle i do is 2596 per day or 18,173.75 calories a week.
Remember i said earlier that 3500 Calories = 1lb of fat. So very simply if i cut my calories intake by 3500 to 14,673 per week or 2096 per day, then i should lose a pound of fat per week. For most people it is sensible to cut your calorie intake by 15/20% (in my example it was 19%.
It really is as simple as that. Get a calculator, work out what your Base Metabolic rate is. Multiply that (be honest now) by your activity levels, cut 15/20% off of that figure and hey presto you will lose weight.
Of course what that means is that you do need to count calories fairly carefully. Nowadays most things are labelled so it’s not that hard. It also means you are allowed to have some good days and bad days as long as you achieve your overall target each week. It also means that whilst it is best to get your calories from non processed, healthy and natural products ( fish, meat , poultry, vegetables, healthy fats etc), you are allowed to be naughty now and then and hit the ice cream, as long as you meet your weekly target.
Throw in some intensive exercise and you WILL achieve your targets. I’d also add that if you are heavily overweight and you are currently eating way over your total daily calorie expenditure then you will find that if you get your calorie levels to where they should be, then initially at least the 1lb per week barrier is conservative. You may find that for the first few weeks you lose 2lb or even more.
As some of you may have noticed, I’ve kept this on a very simple level. There is a lot more detail to be covered in terms of exactly HOW you should eat and WHAT you should eat. Specifically there is the complex topic of Protein, Fats and Carbs and if you really want to get into some detail, Macro levels and how to eat to build or maintain muscle. However, I’ll do an article on that in the next couple of weeks. For now lets keep it simple.
Work out your daily calorie rate to maintain your current lifestyle and activity levels using the formula I’ve given you. Knock off 15/20%. Eat as healthily as possible, treat yourself now and then (this is Ordinary Guy Fitness after all) and exercise regularly. Follow these simple numbers and the fat loss will come and weight loss will follow.
Take Care,
John
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