Energy In vs Energy Out
You only get out what you put in
That's the catch phrase of a breakfast cereals we have in
Australia called Nutri-Grain, I saw the ad last week and it got
me to thinking about the importance of understanding the basic
workings of our bodies.
The heavier you are the more energy it takes to perform a task.
If you are 120kgs and are eating the energy requirements for a
80-90kg person it's probable that your body will break down lean
muscle tissue as well as fat to make up the deficit energy
requirements. May sound good in the short term (as you will lose
weight fast to begin with) but in the long run you will probably
gain more than what you started with, and this regained weight
will be fat, making you 'fatter' than when you started.
So how do you know what your energy intake should be? The safest
bet would be to visit your local GP or Nutritionist, they can
give you all the information in regards to calorie intake. You
could even join a weight loss group like Jenny Craig or Weight
Watchers and follow their guidelines, taken from the World
Health Organisation.
A basic rundown of your energy needs is as follows, please note
this is only a rough guide you should consult your doctor or
nutritionist before embarking on any weight loss program.
50-60kg = 5000kJ [1200cal]
60-70kg = 6000kJ [1400cal]
70-80kg = 6500kJ [1500cal]
80-90kg = 7000kJ [160cal0]
90-100kg = 7500kJ [1800cal]
100-110kg = 8000kJ [1900cal]
110-120kg = 8500kJ [2000cal]
Over 130kg = 9000kJ [2100cal]
Portions and Servings
We've all heard that we should eat 5-6 serves of
bread/cereals/pasta; 5-7 serves of fruit and vegies; etc, etc.
You learn this in school - it's the Healthy Food Pyramid.
In today's society of super-sized meals we've actually lost
sight of what an actual serving is. We fill large plates and
bowls because we are so used to large servings. It's no wonder
there is such a high obesity level in the world - we over eat
all the time. If you were to put a proper serving onto a plate
you'd be surprised at how 'little' it is.
Being used to larger servings of meals can make it hard to judge
a serving for a meal. Don't fret! There are a few tricks you can
use to trick your body into thinking it's eating those same
'big' serves you're used to.
* Measure or weigh out serving sizes, this will ensure you are
getting the right serve. You do not have to use the serving size
suggested, if you want a slightly larger or smaller portion
adjust it accordingly - just be aware of what you are consuming
and don't overdo it.
For example, instead of a 250ml glass of juice with your
breakfast have a 150ml glass. If you are on a higher energy
intake, instead of the suggested 2 slices [25g] of meat for your
sandwich add an extra slice to boost your intake.
* Use the same sized plate/bowl. By this I mean if you have
cereal most mornings have it in the same sized bowl every
morning. Once you have been measuring your cereal for a few
weeks you will see how much "belongs" in the bowl. However,
don't be fooled into thinking you no longer need to measure out
your serve as it's easy to over judge while you're pouring - by
all means, start measuring on your own, just remember to check
what you are doing occasionally.
* Use smaller plates. We are used to eating on large plates that
generally tend to hold larger than normal servings. When you put
smaller servings of meals on a large plate you can
[subconsciously or not] feel like you are denying yourself,
which could lead to binging or even a subconscious sabotage of
your good effort. By using a smaller plate it's harder to
'overload' your plate, and you can trick your body into thinking
it's not being denied. When you put the right serve on a smaller
plate it makes the plate look 'fuller', and more like we are
used to.
For example try eating your ice-cream from a rice bowl. A
regular serve of ice-cream is about 50g; in a normal size bowl
it looks rather small and pitiful. Now put the 50g serve of
ice-cream in a small rice bowl and the bowl not only looks full
but you don't feel like you are depriving yourself of the treat.
Also, in the case of desserts like ice-cream, try eating it with
a teaspoon - it will take you a little longer to eat so you
enjoy it more.
* Try eating your meals with different cutlery. In the above
example of the ice-cream, instead of eating with a normal
dessert spoon try using a teaspoon. It will take you a little
longer to eat so you will enjoy it more. Try eating your main
meal with chopsticks [ie a stir-fry or rice dish] it takes a
little to get used to and you will eat slowly but you will
savour and enjoy what you are eating more then the traditional
means.
* Use smaller glasses. This works the same as the above point.
Most glasses are larger then most drink serving sizes. Go and
measure how much water a glass holds and take a look at the
amount of juice you should have per serve - you'll be surprised
at the difference. Again when you pour out an actual serving you
may feel ripped off as the glass is ‘half full'. By using
smaller glasses you can trick yourself into thinking u aren't
being ripped off because the glass is full, not half empty.
What is a portion?
As I said before, we tend to 'oversize' our portions. So what
exactly is a portion? Some basic portion sizes are as follows
[all are in metric cups] And don't forget, if you are counting
calories you will need to consult your calorie guide and/or the
label on the packet.
Bread & Cereal:
1/2 cup of dried or 1 cup of cooked pasta/noodles
1/2 cup cooked rice or 1/4 cup of dry rice
1 thick slice of bread or 1/2 a bagel or large roll
1/2cup of cooked beans/lentils
1 cup of flake type bekkie cereal
1/2 cup oats or muesli
Meat:
Poultry/pork [cooked] 75g [the size of a deck of cards]
Red meat 75g [deck of cards]
Fish fillet 1 med piece, 100g
Mince meat 1/2 cup
Nuts a small handful
Eggs 1 medium [55g]
Fruit & Veg:
1 large potato [about the size of your fist, 30g]
Apple/orange/pear - 1 medium size
Kiwi fruit, strawberries - 2
Dried fruit 4-6 pieces
Oven chips [cooked] 100g
Dairy:
Cheese 30g
Milk 250ml
Low fat yogurt 200g
Read the Label
Always read the labels for the 'suggested serving size' and
'serves per pack/bottle/etc'. And try and stick to one serve.
Bottled drinks are notorious for having more then the
recommended serve. Be careful especially when having soft
drinks, such as Coke or Pepsi, most people have a 600ml
bottle... a serve of coke is actually a 250ml.
For example the bottle of Mineral Water that I have actually has
1.5 serves per bottle. Its serving size is 200ml, I have 150ml
served in a flute glass with my main meal so the bottle gives me
'two' drinks. It makes a nice compliment to my meal. Cutting
serves like that is ok. It can create havoc when you are
counting calories though but the Nutritional Info should have a
energy per serve and energy per 100ml [or grams, etc]
The most important thing to remember to keep an eye on what you
are doing - keep a food diary and keep track. Food diaries are
very helpful to us, and are not just for calorie counters. Now
before you say "But thin Sally doesn't use one, why should I?"
-- 'Thin Sally' obviously doesn't have a food problem. Thin
Sally probably already eats healthy and in moderation & is
probably physically active to boot. Those wanting to lose weight
on the other hand DO have a problem and need to work on it. You
may not be aware of what you are putting in your mouth.... that
popcorn & soda at the movies... the couple of mouthfuls of
cheese at the grocery shop stand. You need to put in everything
and work from there.
If you aren't counting calories or on some specific diet, like
Akins/South Beach, or following what a die titian or doctor has
given you, then you will need to basically follow the Food
Pyramid. If you would like to try something different have a go
at following the Asian Food Pyramid, it works on Daily, Weekly &
Monthly foods. Both Pyramids work on "Everything in Moderation",
and THAT is the key to healthy eating.
Remember: You only get out what you put in. You are
eating to fuel your body, not eating for the sake of eating.
Energy Expenditure
So you've eaten well each day - that's a great start to weight
loss. However, you need to do more in order to shift those
excess kilograms, to do this you are going to have to 'burn off'
the extra energy [this means fat]. Exercise in not your only
weapon here - incidental exercise & normal household chores can
also play a part.
It is important to mention that while you are training
[exercising] there are three major things to remember:
1. See your doctor before you start any training [exercise]
program. High impact aerobics are great but you need to work up
to them - going hard at it straight up could cause injury. Also
it could be hazardous to you if you have a heart [or other
medical] problem. Your doctor will be able to help set you in
the right direction.
2. Don't train [exercise] yourself to [or beyond] physical
exhaustion. Training until you are physically sick and
continuing is alright if you are in Special Forces but it is NOT
good for us mere mortals. Listen to your body, take breaks if
and when you need them and keep some water nearby. If you find
yourself unable to keep up with an aerobics class stop and march
on the spot. If you are weight training try lighter weights. You
are trying to get healthy - not punish yourself.
3. The whole energy in/energy out deal does not work on a daily
scale it averages out over a period of a time [ie a week]. So
don't fret too much if you go "off the rails" one day food-wise
[ie eat more calories then you should have or overindulged on a
piece of cake] or miss an exercise session during the week. The
important thing is to get back on track and not continue on the
eating binge, etc. You maybe surprised at the end of the week to
see that you lost weight despite the hiccup. With that said,
let's see what energy is burnt in various activities.
10,000 Steps Program
The 10,000 steps a day program works on incidental activity as
well as actually getting out for a daily walk. The average
person will burn approximately 1255-1880kJ walking 10,000 steps.
This isn't power walking, just everyday steps. So naturally if
you walk faster you will burn more energy. Also, people who are
overweight will burn more energy then those who are at a healthy
weight.
kJ[cal] burnt in 10mins
Here's a list of activities with their approximate kJ[cal]
expenditure. These values are based on the number of kJ[cal]
burnt after 10 minutes of continuous activity by someone who
weighs 65kg. If you weigh more than this you will burn more kJs.
Everyone's metabolism is different but the general rule of thumb
is the more energy you put into an activity, the more energy you
will burn.
Activity kJ[cal]
Aerobics, low impact 230[55]
Aerobics, high impact 270[65]
Aqua aerobics 250[60]
Badminton 270[65]
Circuit training 355[85]
Cleaning the house 165[40]
Cleaning windows 165[40]
Cooking 125[30]
Cycling @ 9km per hr 125[30]
Cycling @ 15km per hr 230[55]
Dancing, ballroom 145[35]
Dancing, disco 270[65]
Driving a car 85[20]
Eating 60[15]
Gardening, digging 335[80]
Gardening, mowing 315[75]
Gardening, weeding 145[35]
Golf 230[55]
Ice skating, average pace 210[50]
Ironing 85[20]
Jogging slowly 335[80]
Mopping the floor 165[40]
Netball, average speed 290[70]
Pilates 125[30]
Running @ 10min per km 630[150]
Running @ 12mins per km 525[125]
Running @ 15mins per km 375[90]
Shopping 165[40]
Sitting 60[15]
Skiing 270[65]
Skipping 460[110]
Squash 585[140]
Stair climbing 460[110]
Sweeping 125[30]
Swimming, slow 355[85]
Swimming, fast 420[100]
Tennis 290[70]
Typing 85[20]
Vacuum cleaning 190[45]
Walking, slow 165[40]
Walking, briskly 250[60]
Walking uphill, slow 210[50]
Weight training, free weights 230[55]
Yoga 125[30]
It is recommended that you aim for 30mins of exercise a day. If
this seems like too much to start with, break it up. Do three
10min sessions a day and build it up from there. It does not
matter how you start out - the important thing to remember is
that you are doing something.