Non-Exercise Activity Thermogenesis (NEAT): A Better Way To Manage Weight

I know I always say it: “Move more, eat less.”  I wrote it plainly and simply in a previous article, How To Lose Fat which, depressingly (though not surprisingly), topped the charts for the most-viewed article I’d written to date.

“Move more, eat less.”  Or consider my modified slogan: “Move more, eat well.”

Increase your total movement, not necessarily your exercise.  That’s what Non-Exercise Activity Thermogenesis (NEAT) is all about.

After donning an expensive ($238) armband purported to track not only my heart rate, but also my calories burned, my steps, my physical activity, and my sleep patterns, I was shocked to see that my calorie burn sitting on the couch was indistinguishable from my calorie burn while sleeping.  I was more shocked to see that I actually burned more calories in an hour of ambling around the gym floor chatting up members than I did during my high intensity 30′ workoutfar more.

Seriously!?  What’s up with with this epidemic gym culture?  We’re told it’s diet and exercise, right?

Sure.  Exercise still has its place in terms of balancing hormones and neurotransmitters, posture, stamina, flexibility, and muscle mass–but in terms of weight management, it pales in comparison to NEAT.

NEAT represents the energy expenditure of daily activities such as standing, walking, moving, and shifting while sitting.  None of these are considered planned physical exercise.  They will make or break your weight loss goals.  Research by Levine et al. (2005) recruited 20 healthy volunteers of varying body masses  and tracked their movement over 10 days.  What they found was not surprising: obese subjects (half of the group) were seated on average 164 minutes longer than the leaner participants.  That’s two and a half hours!  Additionally, the lean participants were standing and moving for 153 minutes more per day than the obese subjects, and sleep times did not very at all between the groups.

The extra movement from the lean subjects averaged 352 +/- 65 calories per day, which is the equivalent of 36.5 pound of fat in one year.  All because they move around more.

Take home lesson: have an active lifestyle.  Find ways to inconvenience yourself.  Consider three rules to make and never break.

The following is a list of suggestions on how to be more active during the day (source: ACE Lifestyle & Weight Management Consultant Manual, 2nd Ed.):

  • Walk to work.
  • Walk during your lunch hour.
  • Walk instead of drive whenever you can.
  • Take a family walk after dinner.
  • Skate to work instead of driving.
  • Walking to your place of worship instead of driving.
  • Mow the lawn with a push mower.
  • Walk your dog.
  • Replace the Sunday drive with a Sunday walk.
  • Work and walk around the house.
  • Take your dog to a park.
  • Wash the car by hand.
  • Run or walk fast when doing errands.
  • Pace the sidelines at your kids’ athletic games.
  • Take the wheels off your luggage.
  • Walk to a coworker’s desk instead of emailing or calling.
  • Make time in your day for physical activity.
  • If you find it difficult to be active after work,  try to fit exercise in before work.
  • Take a walk break instead of a coffee break.
  • Perform gardening and/or easy-to-do home-repair activities.
  • Bring your groceries (from your car) into your house one bag at a time.
  • Play with your kids at least 30 minutes a day.
  • Dance to music.
  • Walk briskly in the mall.
  • Take the long way tot he water cooler or break room.
  • Take the stairs instead of the escalator.
  • Go for a hike.

Lowering Body Fat: Excess Post-exercise Oxygen Consumption (EPOC)

What do most of us want?

To lose a little weight and tone up.

What that really means is we want a reduction in body fat percentage.  After all, “toning up” is really just skimming a little fat off the top of the muscles that already dwell beneath.

And what is the most effective way to reduce body fat?

Burn more calories than you eat.

Sure, you can calorie-restrict.  Or, you can do lots of cardio.  If you’re really good, you can do both, and sure enough, calorie-by-calorie, you will lose body fat.

But I’m more interested in being time-efficient. And that’s where EPOC–excess post-exercise oxygen consumption–comes in.

In order to maximize the amount of calories burned in a workout, you must maximize the amount of oxygen used during activity.  In other words, the harder you’re breathing, the more calories you are burning.

But there’s more to it.

By maximizing the amount of oxygen you use during the day–and not merely in your workouts–you can burn more calories.  After your workout, your body needs to use more oxygen to replenish energy supplies, lower tissue temperature, and return the body to a resting state.  The harder you work out, the longer it takes to perform these tasks, the more oxygen your body utilizes, the more calories you burn post-exercise.

When people say, “You’re metabolism runs higher after you work out,” they are really referring to this EPOC principle.

The higher the intensity of exercise (the more calories you burn during exercise), the higher the magnitude of EPOC (the more calories you will burn after exercise).  Double-whammy.

It’s like taking your car out for a drive.  If you drive it hard, red-lining occasionally–burning more gas–and then park it back in the garage, your car will take much longer to cool down its engine (more EPOC).  If you simply take it for an easy Sunday drive–being fuel efficient–it will take less time (less EPOC) to cool.

In the goal of body fat reduction, the key is to burn calories, rather than focus on burning fat.  Long bouts of cardio are a nice way to improve cardiovascular fitness, but they aren’t the most efficient use of time at the gym, and they certainly don’t contribute as much to high EPOC as other types of training.

And what happens after long bouts of cardio?  You deplete glycogen stores.  If you’re a cardio-holic, you may have a tendency to always be running on empty, and that paves to way to a binge on carbohydrates later, as your body begs for repleted glycogen.  This makes for fit-fat people.

The after-burn of EPOC should not be underestimated.  Swap out your 40 minutes of steady state cardio for 20 minutes of work on the bubble between aerobic and anaerobic work, and enjoy the after-burn.  Eat immediately after your workout (preferable a source of easily digestible carbohydrates and some protein) within 30 minutes of working out in order to give your body the building blocks it needs to replete glycogen stores and repair muscle tissue, while offsetting a binge later.  This, in effect, will lead to more sustainable weight loss.

Less time at the gym; more bang for your buck.  More time for other things: like recovery.

How To Lose Fat

I had a good laugh reading about muscle gain and fat burning.

Will More Muscle Rev Up Your Metabolism?  The answer, from Marticia Heaner in “Triggering Your Body To Burn Fat”, was short and sweet.  “Probably not.”

Most personal trainers, including myself, tell others that building muscle is one of the best uses of time at the gym.  It is metabolically more active tissue, it is denser.  When you build muscle, you tend to lower your body fat percentage

…but in terms of losing fat, objectively.  Well, building muscle guarantees nothing.

Why?  Because to build muscle, you have to eat.  And you tend to eat a lot.  You will likely overeat, as muscle is hungry, and building it makes you tired.  That marginal metabolic edge conferred through muscle gain is often eclipsed by an over-compensation in eating.

I know this first hand.  If you’re like me, and exercise is easy, but fat is stubborn, your problem is probably food.  Plain and simple.

Sure, a lot can be said (by me, especially) about efficiency in exercise.  If you have a small amount of time, you’re aim should be to burn the most energy possible, get the highest afterburn, and build the most muscle.  Easy, right?  Yeah… not really.  But that’s content for a different article.

I can tell my readers first hand that putting on lots of muscle will not necessarily make you lose body fat.  What often happens is you become a larger, stronger version of your fat self! What to do?

Fat loss, according to every credible article, is not scientific.  It is an annoying, objective numbers game.  Move more, eat less.  Burn more than you eat.  Period.  It does not matter what type of energy you burn.  If you write down every calorie honestly and prove you are creating a deficit of 3,500 calories, but fail to lose a pound of fat… then maybe, just maybe you have a thyroid problem.  But I’d wager that 99% of thyroid problems are simply denial.

Eat less.  Bottom line.  Eat less. Front load your calories in the beginning of the day, taper toward the evening, and if you go to bed a little bit hungry (a little, not a lot!), you’re probably on the path to body fat loss.

Increase your total movement, not necessarily your exercise.  Lift too many weights, and you might get too hungry to stick to your lower calorie diet.  Take trips by foot, park the car far away, clean things by hand, pace around, whatever you have to do.

Here we go again: move more, eat less.

The Most Atrocious Meal On The Menu

…at least, I thought it was atrocious.

I was thinking back to a few months ago, when I was travelling.  I’d given up sugar for three weeks.  At the end of three weeks, my travel partner and I thought it might be fun to christen a new form of American Gluttony: the Fast Food Crawl.

You’ve all heard of a pub crawl, right?  Buy a drink at every pub on the block… by the time you’re at the end, you’re off your tree.

Same concept, only with fast food restaurants in Sedona, Arizona.  We each ate one thing off the menu from Dairy Queen, Burger King, KFC, and McDonalds before I  tapped out, ready to puke–and cry!  (I later re-entered the game with a shame-eating session of candy, chips, and soda in the back of the pickup truck.)

At Burger King, I saw an advertisement for a burger that packed more than 1,000 calories in it.  One thousand calories?  In the burger alone?  Seriously!?  How can you fit that much energy into a burger?

Well, they did it.  I thought it was disgusting (as I plowed through my own baby version of that burger).  In fact, today I planned to dedicate an entire entry to it to that burger.  That is, until I found this: “The 4,301-calorie entree.”

I didn’t know how bad the ingenuity of American gluttony could be.  The fact that these things even exist–hell, that EATING ITSELF is a competitive “sport”–says a lot about our people.

Why Alcohol Makes You Chubby: And How It Sabotages Weight Loss Goals

Beer belly.  Why not beer body?

It’s interesting how alcohol tends to go right to the tummy.  Okay, it’s true that alcohol goes other places, too, over time; but the nice thing about beer weight is that it can come off about as quickly as it came on, unlike other fat.  All you have to do it change your habits.

Allow me to explain why cutting out alcohol will yield an almost immediate shift in body fat; this information supports my observations of my clients’ (and my own) body compositions when alcohol was given up for at least two weeks.

There are three macronutrients with which we are all familiar: protein, carbohydrate, and fat, (some people include a fourth, water).  Each gram of protein and carbohydrate yields 4 calories; each gram of fat yields 9 calories.  Alcohol, it’s own entity, yields 7 calories. But alcohol isn’t a nutrient, as it generally kills everything with which it comes into contact.  A nutritionist who worked at the ARCO Olympic Training center once said to me during my stay, “I can’t think of one good reason why an elite athlete should ever consume alcohol.” It hinders your other metabolic pathways, and it destroys.  It dehydrates, and it slows you down.

Okay, great.  But who cares?  Most people aren’t training for the Olympics.  Booze is awesome in other rites, and can provide emotional (arguable) and social benefits.  Alcohol, after coffee, is the second most abused mood-altering substance, and some version of an alcoholic beverage has infiltrated just about every human culture.  It’s popular, it’s accessible, and it is sanctioned by society.  It relaxes and relieves stress for people who are probably more stressed now than ever before.  No wonder many of my clients are so unwilling to quit drinking, even for a little while!

“I don’t really drink that much.  Maybe 2 to 4 drinks in a week.”  Okay, let’s break that down.

A glass of wine has 100 calories.  That’s a four-ounce glass.  That’s 1/2 cup.  Find your teeny weeny measuring cup in your kitchen drawer.  That’s 100 calories! I cannot remember the last time I ever poured myself, or had someone else pour, only four little ounces.  More like 6.

A beer might pack at least 120 calories (unless it’s some awful light beer, which is closer to 100).  Most have 140 up to 200.

An ounce of spirits will pack 80, but few people drink liquor straight; some kind of sugary mixer comes with it.

Let’s crunch some numbers.  You’re a light drinker, and keep your habit to the weekend, over dinner.  You drink 3 six-ounce glasses of wine over your weekend.  That’s 450 calories (people often fail to count the calories they consume through beverages, and they also do a poorer job of compensating for liquid calories later). That 450 calories is an entire workout! That would be 1/5 of your week’s effort down your throat, and if your goal is to lose 1-lb per week, that is 1/7 of a pound.

Okay, big deal.  You made sure you had enough space left over for the booze.

So PAY ATTENTION HERE.  Alcohol, once ingested, breaks down into two compounds: fat and acetate.  The fat will go into storage, and the acetate will be burned as fuel.  The body, which had been slowly and steadily burning fat while you were at rest (and if you are working hard at the gym, you were enjoying your sweet “after-burn” of fat metabolization), slams down the E-brake on fat burning and starts burning the acetate instead.  You literally put a halt (or at least significantly slowed, up to 75%) to your fat burning metabolism; not only that, the fat derived from alchol went right into your storage!

Alcohol also is an appetite stimulant (ever heard of an aperitif?).  Drinking before or during dinner makes you want to eat more.  It also makes you care less about how much you are eating (irresponsible eating).  Calories sneak in, and because your body is busy metabolizing the acetate, sit back and let the other nutrients entering your blood stream get shunted into storage. One drink can stunt your fat metabolization for several hours. That sucks, especially when you are winding down at night, and your metabolism is already running a little slower.  The idea behind exercise is it raise your rate of fat metabolization.

Alcohol dehydrates.  Water is an essential nutrient, and it is involved in countless catalytic processes within your body.  One of these is the metabolization of fat.  Another is muscle building.  Few people make sure to drink a glass of water for every glass of booze they consume.  Dehydrating your body even a little bit slows down your fitness goals!

Finally, alcohol raises cortisol, your stress hormone that encourages the retention of fat.  It also hinders testosterone production, the “skinny” hormone generally produced in higher quantities after interval and strength training.

So let’s summarize:

1) Alcohol has lots of calories.

2) It increases fat storage, and halts fat metabolization.

3) It tends to make you eat and drink more.

4) It dehydrates you.

5) It produces more “fat” hormones, and hinders to production of “skinny” hormones.

…Stop drinking alcohol, and there will be less to retard your body’s fat metabolization.

Ready to give it up for a while?

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