The Secret Ingredient to a Flatter Belly

Oil gets a bad rap, but you don’t have to completely banish it from your diet: In fact, eating certain kinds of vegetable oils might reduce abdominal fat and lower your risk for metabolic syndrome, according to a new study presented at the American Heart Association’s EPI/NPAM 2013 Scientific Sessions conference held in New Orleans last month. Metabolic syndrome is a pretty scary group of conditions—increased blood pressure, high blood sugar levels, excess abdominal body fat, and abnormal cholesterol levels—that can boost your risk of heart disease, stroke, and diabetes.

A team of American and Canadian researchers put 121 participants—all of whom were at risk for metabolic syndrome—on a four-week, 2,000-calorie-per-day diet that included a daily smoothie containing 40 grams of one of five oils: canola oil, high-oleic canola oil, a flax/safflower oil blend, a corn/safflower oil blend, or high-oleic canola oil enriched with omega-3 fatty acids. They then performed a type of X-ray that can measure fat mass in different body regions—once at the beginning of the study, and once at the end of the four-week diet period. What they discovered: Those who consumed the smoothies containing canola or high-oleic canola oils trimmed their belly fat by an average of 1.6 percent more than those who had the flax/safflower oil blend. And those who had either the corn/safflower oil blend or the high-oleic canola oil enriched with omega-3s didn’t see any change in their abdominal fat at all.

Although it’s unclear why eating these oils might help you shed that pesky stomach pooch, researchers say it might come down to the oleic acid, a monounsaturated fatty acid found in both canola oil and high-oleic canola oil. “The oleic acid might just be metabolized differently,” says study author Penny Kris-Etherton, PhD, a distinguished professor of nutrition at Penn State University. Your body might process it in a way that burns some fat, making less available to be stored in your body, she says.

But this doesn’t mean you should go on a canola oil bender: You’ll want to add a reasonable amount to an otherwise-healthy diet to avoid taking in too many calories, says Kris-Etherton. To see some of the same benefits, she suggests consuming 40 grams (about 2.7 tablespoons) of canola oil or high-oleic canola oil each day as part of a 2,000 calorie, heart-healthy diet. That comes out to less than one tablespoon per meal.

To sneak more canola oil into your diet, try these delicious recipes:

BBQ Pork Tacos *contains 2/3 tsp canola oil per serving

photo: Helen Norman

Spiced Chicken with Dried Fruit *contains 2/3 tsp canola oil per serving

photo: Helen Norman

Apricot Shrimp Skewers *contains ½ tbsp + 2 tsp canola oil per serving

photo: Romulo Yanes

Pumpkin Waffles *contains ¾ tsp canola oil per serving

photo: John Kernick

Giant Mushrooms Stuffed with Greens and Mozzarella *contains ½ tbsp canola oil per serving

photo: John Kernick
top photo: iStockphoto/Thinkstock

More from WH:
Cut Your Diabetes Risk
5 Steps to a Healthy Heart
The Belly-Flattening Ab Workout

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Lose Your Belly Fat

One of the most important ways to help lose belly fat is to reduce stress in your life, because stress causes cortisol levels to spike. Cohen, from Forbes, also delves into a number of other strategies that help reduce your cortisol levels, such as the following. To learn more, please see the featured Forbes article:

Getting enough sleep Reducing or eliminating refined sugars from your diet Slowing down your breathing
Doing short bursts of exercise (high-intensity interval training) Supplementing with vitamin C Eating fats―the good kinds such as the omega 3′s found in salmon, avocados and walnuts

The KEY Strategy for Reducing Belly Fat

Cohen certainly brings up some good points. Getting sufficient amounts of sleep, for example, not only helps normalize cortisol levels, it’s also important in order to optimize your circadian clock, which can have a profound impact on your metabolism and weight. As an example, a couple of years ago researchers at the University of Chicago found that dieters who slept for 8.5 hours lost 55 percent more body fat over the course of two weeks than dieters who only got 5.5 hours of sleep a night.iii

But the master key really lies with your diet, followed closely by the type of exercise you engage in.

About 80 percent of your ability to reduce excess body fat is determined by what you eat, with the other 20 percent related to exercise and other healthy lifestyle habits such as sleep and stress reduction. What this means is that if your diet is based on sugar/fructose and processed junk food, your chances of getting flat, ripped abs, even if you work out religiously, are quite slim…

You simply will not see defined abs unless you reduce your overall body fat, and a poor diet cause your body to hold on to excess fat, despite all your exercise efforts. Cohen mentions two of the most important dietary factors in her article, namely:

  • Reducing or eliminating sugar from your diet. This includes ALL forms of sugar and fructose, whether refined or “all-natural” such as agave or honey, as well as all grains (including organic ones), as they quickly break down to sugar in your body
  • Increasing healthful fats in your diet, such as healthy saturated fats and animal-based omega-3′s

One of the most pernicious dietary influences on your weight loss goals is fructose, which hides in so many processed foods and beverages, it can be near impossible to avoid unless you alter your shopping and cooking habits. By avoiding processed foods in general, and focusing instead on whole, preferably locally grown organic foods, cooked at home, you can circumvent one of the greatest dietary obstacles there is today.

For more details, I suggest you review my Optimized Nutrition Plan, which is a comprehensive and step-by-step guide to help you make health-promoting food- and lifestyle choices. This includes:

Limit your fructose to less than 25 grams per day, and, ideally to less than 15 grams per day, as you’re likely consuming ‘hidden’ fructose if you eat processed foods or sweetened beverages Limit or eliminate all processed foods Eliminate all gluten, and highly allergenic foods from your diet
Increase the amount of fresh vegetables in your diet, and consider juicing Eat at least one-third of your food uncooked (raw), or as much as you can manage Avoid artificial sweeteners of all kinds

The Primary, and the Most Surprising, Dietary Offenders

Fructose, primarily in the form of high fructose corn syrup hidden in processed foods and beverages is the primary contributing factor to widespread and seemingly out-of-control obesity. The top offenders in this category include:

Grain-based desserts (cakes, cookies, donuts, pies, crisps, cobblers, and granola bars) Soda, energy drinks, and sports drinks
Breads Juice drinks and fruit punches
Breakfast cereals Fast food and pre-packaged dinners
Prepackaged, processed lunches Coffee drinks

 

There are also a number of foods that are typically considered healthy that you might not suspect would contribute to your weight problem. But while considered “healthy” by the mainstream, these foods are actually loaded with sugar and/or fructose:

Yoghurt Condiments, sauces, and salad dressings
High-fructose fruits: apples, pears, grapes, watermelon, persimmon, and mango “Diet” foods and snacks
Dried fruits: raisins, figs, apricots Infant formula
Enhanced waters (such as VitaminWater) Jarred baby foods and teething biscuits

What’s the Best Fat-Busting Exercise?

Once you’ve addressed your diet, exercise can truly begin to work its magic on your physique, and help boost fat loss even further. The trick to achieve flat abs is to incorporate the correct types of exercises.

High-intensity interval exercises are at the core of my Peak Fitness routine. This short intense training protocol improves muscle energy utilization and expenditure due to its positive effects on increasing muscle mass and improving muscle fiber quality. Muscle tissue burns three to five times more energy than fat tissues, so as you gain muscle, your metabolic rate increases, which allows you to burn more calories, even when you’re sleeping. Further, several studies have confirmed that exercising in shorter bursts with rest periods in between burns more fat than exercising continuously for an entire session.

In fact, you can actually lose more weight by reducing the amount of time you spend on exercise, because when doing high-intensity interval training you only need 20 minutes, two to three times a week. Any more and you’ll overdo it! You can get the details on how to properly perform these exercises in the video below.

Next: Exercises that Target Your Abs

While ab workouts specifically may not help you reduce body fat, they still provide important benefits and should not be overlooked. Your abdominals are part of your body’s 29 core muscles, which are located mostly in your back, abdomen and pelvis. This group of muscles provides the foundation for movement throughout your entire body, and strengthening them can help protect and support your back, make your spine and body less prone to injury and help you gain greater balance and stability.

When you build your ab muscles, it’s like developing an internal corset that holds your gut in. By doing so, you help stabilize your spine, vertebrae and discs, which in turn can significantly reduce back pain and make it easier for you to lift heavy items, twist and turn and perform the movements required for a full life. Having a strong abdominal wall is very important for optimal body movement and gets increasingly more important with advancing age.

A strong abdominal wall is also what will produce that six-pack look once you’ve lost sufficient amounts of subcutaneous fat. However, conventional crunches and sit-ups are not the most effective when it comes to creating flat, well-defined abs.

In order to effectively train your core muscles, you must incorporate a variety of stabilization, functional and traditional exercises. A study by Petrofsky (2007) actually put this to the test by researching how much muscle activity is generated by different abdominal exercises. The simple, traditional abdominal floor crunch was found to produce and recruit the least amount of muscle activity when subjects were attached to an electromyography (EMG) machine! That’s not to say that you should never perform a traditional abdominal crunch; but this particular exercise should be done as part of a varied core-strengthening routine.

This may include:

  • Traditional exercises, such as a standard crunch with rotation or a standing rotation with a light hand weight.
  • Functional exercises, including work on a stability ball.
  • Stabilizing exercises, such as lying on the floor and pulling your belly back toward your spine and holding that position while breathing deeply
  • Extension exercises, such as lying on your stomach with arms extended above your head. Then raising both arms and both legs, at the same time, off the floor. (Hold for a count of 5, or 5 breaths, and slowly return to the floor.)

Popular exercise programs that work your core muscles are widely available, and include virtually all the types of yoga and Pilates. But there’s yet another exercise you might not have thought of: push-ups!  That’s right. Push-ups don’t just give you a stronger upper body, they also train your abdominals—as long as you’re doing them correctly. I recommend watching Darin Steen’s demonstration of the proper form below, but I’ve also included a summary of key points to remember:

  • Keep your body stiff and straight as a plank
  • Elbows at a 45-degree angle from your sides
  • Breathe in on the way down
  • Lower your body all the way down
  • Breathe out on the way up

If you’re looking to get rock-hard abs, remember that proper dietary choices is your first step, but from there a comprehensive fitness program and targeted ab exercises will help you achieve your goal.

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