AFTERBURN
Energy System Training For Fat Loss – by
Alwyn Cosgrove
The
difference between cardio training and aerobic training
This is important to understand. Cardio refers to any
exercise in which the heart and lungs are involved. This could be jogging, running,
sprinting, swimming, circuit training etc. Quite simply – if you are elevating
your heart rate and respiration rate, you are doing some form of cardiovascular
work.
Aerobic training refers to a state in which the
cardiovascular work is performed. Aerobic literally means ‘with oxygen’. It is
a relatively low intensity state of exercise that can be maintained almost
indefinitely (as long as oxygen is being supplied to the working muscles, in
the required amounts – the exercise can be continued. This is aerobic training.
All aerobic training is cardiovascular training. Not
all cardiovascular training is aerobic. Hopefully that makes sense.
Steady
State Aerobics – why it hasn’t worked
Let’s think of all the reasons steady state aerobic
training is supposed to burn fat.
1) It burns calories. Good. I’ll buy that. How does it
burn calories? Because the muscles are hard at work and demand extra oxygen to
help them continue working. Hmmm. There are a ton of activities such as weight
training, sprinting, sleeping, talking watching TV that ALSO burn calories by
requiring work from the muscles. So no extra points for aerobic training.
2) The fat burning zone. Nope. Sorry – it doesn’t exist.
The fat burning zone is a concept that the body burns a greater amount of fat
at lower intensity aerobic exercise than it does at higher intensities. This is
a misinterpretation. It’s true that the body burns a greater percentage
of fat at lower intensities than at higher intensities, but taking this to its
logical conclusion – the body will burn a greater amount of fat as a percentage
lying on the couch than doing anything else right? And we know how good lying
on the couch works for fat loss. It’s the “as a percentage” line. At lower
intensities the body may burn 50% of the calories from fat, while at higher
intensities it may only burn 35% of calories from fat. BUT at higher
intensities you burn way more total calories, and more fat calories overall
than you do at lower intensities. Think about a real world example – are sprinters
(running 10-20s) fatter than marathon runners (2-2.5 hours of running). No.
Actually sprinters carry less body fat than distance runners due to their
muscle mass.
3) Aerobics makes your body an “efficient fat burning
machine”. True but this isn’t a desirable response. The ONLY tissue that burns
fat in the body is muscle. Yes – aerobic training does demand work from the
muscles, but not as much as other activities. Aerobic training doesn’t require
the muscle tissue to stay around either. Aerobic training makes muscles more
efficient at using fat (don’t get excited – if your car became more efficient
at burning gas – you’d be using less of it).
So if muscle is the only tissue that burns fat, and aerobic training makes it
smaller and more efficient at burning fat, then essentially you are creating a
smaller, more efficient fat burning machine. That’s not effective.
4) Aerobic training raises your metabolism. I’ll cover
this in more detail later but the short answer is no it doesn’t. Metabolism is
largely a function of how much muscle you carry. As aerobics does nothing to
even maintain muscle, never mind build muscle, it will do nothing to contribute
to raising your metabolism at rest. Sure, you’ll burn calories while you’re
doing it, but will you burn any more at rest as a result of doing aerobics? No.
And as you’ll find out later, you may actually burn less.
The
adaptation conundrum
The body literally adapts to anything we attempt to
do by responding in the reverse manner. Don’t drink any water? Your body tries
to retain water. Does weight training build muscle? No it doesn’t. What
actually occurs is a breakdown of muscle tissue and the body ADAPTS by building
muscle.
So if you burn a ton of calories doing aerobic
training, that same body adapts to aerobic exercise by slowing your metabolism
and allowing your body to store more fat. Same body – same system.
The biggest problem with aerobic training is that you
get better at it. In weight training, as you get better, you add more weight or
more reps and there is literally no finish line. In aerobic training, the work
required to run 5 miles will become less and less as you get fitter. So to
continue to improve you either go further (do more work for the same amount of
calories) or you run it faster. Going further kind of defeats the purpose. Is
there much joy in running 40 mins to burn the calories you once burned in 30
mins? And going faster involves the same problem. Eventually, the new speed
becomes too easy for you and you have to go more intense to get the same
benefits. Now as I mentioned, there is no end point with weight training.
However there is an end point with aerobic training. You will reach an
intensity eventually that will be the end of the aerobic zone. Quite simply
going any harder will send your body into the anaerobic zone. So at some point
you’re not doing aerobics any more. So, if you have to stop doing it at some
point to get the benefits you seek why not do anaerobic work to begin with?
Metabolism
Your metabolism or your metabolic rate is what
determines how many calories you burn each day – or more importantly for the
purposes of this book – how many you need to maintain your current weight. Your
metabolism is quite simply how many calories you burn in a typical day. It is
affected and controlled by your thyroid, and is largely a factor of your muscle
mass. To break it down further – every pound of muscle you put on requires calories per day to maintain. doesn’t take into account
the calories burned in training to develop that muscle, or the calories burned
in training to keep that muscle – these calories are just the amount needed
by that muscle to just sit there.
So in order to really get the athletic look we want
to develop, the key is not just how many calories we can burn during exercise,
it’s how many calories we can force the body to burn all the time. Raising your
metabolism is the real key in long term fat loss and physique change.
Caloric
expenditure
In order to lose body fat, you must burn off more
calories than you consume. Despite the proliferation of diets- low
carbohydrate, low fat, high protein, high carbohydrate etc this simple rule
remains. I don’t want to talk about nutrition here as this is more than
adequately covered in another chapter in this book, but suffice to say the
caloric balance is still important.
I’ve lost count of how many times I’ve heard people
say “I barely eat anything – I eat like a bird and I still gain weight”. Oh
really. You are eating fewer calories than you need and your body is gaining
weight? Impossible. This violates the law of thermodynamics. Usually it’s a
case of not really being aware of how much you are actually eating. Because
let’s face it – if your body was capable of producing body weight from nothing,
then we better get you sent over to NASA or UNICEF immediately – with magical
genes like yours, we might just be able to solve the Third World’s hunger
problem.
Fat loss is all about caloric expenditure. We must
burn more calories than we take in, and the real key to doing this, as
mentioned before, is not aerobic training, which will burn calories while you
are doing it, its anaerobic training, which burns calories while you are doing
it AND increases the calories burned for hours afterwards. In the case of
weight training, if we build muscle and keep it, that burns calories forever
more. Even when you sleep!
The key with anaerobic training is what is known as
EPOC. Anaerobic exercise burns a ton of calories while you are performing it.
However, the metabolism remains elevated following this type exercise. This
was, at one time, referred to as the oxygen debt, but is now referred to as the
excess post-exercise oxygen consumption (EPOC). The recovery of the metabolic
rate back to pre-exercise levels can require several minutes for light exercise
(aerobic training), several hours for very heavy exercise (anaerobic cardio
training), and up to 12 to 24 hours or even longer for prolonged, exhaustive
exercise (interval training or circuit weight training).
The EPOC can add up to a substantial energy
expenditure when totaled over the entire period of recovery. If the oxygen
consumption following exercise remains elevated by an average of only 50 ml/min
or 0.05 liter/min, this will amount to approximately 0.25 kcal/min or 15
kcal/hr. If the metabolism remains elevated for five hours, this would amount
to an additional expenditure of 75 kcal that would not normally be included in
the calculated total energy expenditure for that particular activity. This
major source of energy expenditure, which occurs during recovery, but is
directly the result of the exercise bout, is frequently ignored in most
calculations of the energy cost of various activities. If the individual in
this example exercised five days per week, he or she would have expended 375
kcal, or lost the equivalent of approximately 0.1 pounds of fat in one week, or
1.0 pounds in 10 weeks, just from the additional caloric expenditure during the
recovery period alone. This is the key to maximizing the return on your
exercise investment.
The next obvious idea is – if you trained the next
day while your metabolism is still elevated, will we have an even higher return
– is the effect accumulative? Is the whole greater than the sum of the parts?
Science has yet to give us an answer, however in the
real world, I think so. I have seen amazing results with my clients using this
exact protocol.
Interval
training
So is there a better way of performing cardio
workouts to prevent these adaptations, and rapidly improve fat loss results?
Yes. The key is to perform what is known as interval training.
Interval training simply refers to a
series of intense activity separated with short rest periods. Through using interval
training you are able to exercise at a higher intensity without getting tired.
In other words – because we alternate the periods of high intensity work, with
periods of lower intensity work – you are able to do much more work in the same
time period than you were before.
The beauty of this is as you improve, the
work intervals can get harder and harder, and the recovery intervals can be
shortened, or performed at a higher speed. In fact, there is no end in site,
and no downside to interval training (other than it is really hard).
The AFTERBURN ENERGY SYSTEM Routine
This can be performed using any
cardiovascular machine, and I suggest that you use them all. Multi-mode cardio
(where you change the machine or type of activity regularly) has been shown in
the research to be another more effective factor. So as a general guideline,
don’t use the same cardio machine two workouts in a row.
The Routine:
Warm up for five minutes
Round: Perform 1 minute as fast as you can
(a level 9 or 10 intensity – on a scale of 1-10).
Recover at a moderate pace for two
minutes (a level 6-7 intensity).
That’s one “round” – and it lasts three
minutes
Cool down for five minutes
Now alongside the weight training and
nutrition program included in this e-book – I also want you to perform the
Afterburn Energy System Routine several times each week. These workouts can be
done after your weight training workouts, later the same day or on separate
days. What I don’t want you to do is to perform these routines BEFORE weight training.
This will reduce the effectiveness of your program.
·
Weeks
One to Four: Perform three rounds,
three times per week.
The total cardio time will be 19 mins per
workout including warm up and cool down.
·
Weeks
Five to Eight: Perform four rounds,
four times per week.
The total cardio time will be 22 mins per
workout including warm up and cool down.
·
Weeks
Nine to Twelve: Perform five rounds, four times per week.
The total cardio time will be 25 mins per
workout including warm up and cool down.
·
Weeks
Thirteen to Sixteen: Perform six
rounds, five times per week.
The total cardio time will be 28 mins per
workout including warm up and cool down.
This type of cardio training
performed as prescribed, typically results in a 1-2lb fat loss per week. So over
a sixteen week period, depending on your dedication to nutrition,
supplementation and your weight training routine, we are looking at a possible
loss of at least 16-30 plus lbs of fat.
This is a chapter from AFTERBURN – Extreme Fat Loss Training
– available at www.afterburntraining.com