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You’re not burning as many calories as you think you are with exercise — here’s why

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You’re not burning as many calories as you think you are with exercise — here’s why

Burn more, weigh less. Sounds simple, right? Not exactly.

A new study is challenging conventional wisdom about exercise and weight loss, suggesting your workout may not burn as many calories as you think.

The findings could help explain why so many people don’t see the scale budge, even when they’re regularly hitting the gym and watching what they eat.

New research hints that what you eat could have a bigger impact on calorie burn than exercise. highwaystarz – stock.adobe.com

It all comes down to math.

Over the course of a day, your body’s natural calorie burn without any formal exercise can range from about 1,300 to more than 2,000, depending on age, sex and other factors, according to the Cleveland Clinic.

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For years, scientists assumed any extra calories you burned — like from running a mile or swimming laps — would simply add to that total and lead to weight loss.

But recently, some researchers have been questioning that “additive model,” suggesting the body may follow a “constrained” approach instead.

That theory says your body has a built-in energy cap. So when you burn more calories during exercise, your body makes up for it by saving calories elsewhere — like cutting back on cellular repairs and other internal tasks.

Intrigued, two Duke University researchers decided to put the models head-to-head.

The study found the body often makes up for calories burned during cardio by quietly shutting down other processes. Svitlana – stock.adobe.com

They reviewed 14 exercise studies involving 450 people, along with several animal trials, and compared the calories subjects were expected to burn with the calories they actually burned.

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On average, the researchers found that only 72% of the calories burned during exercise actually showed up in total daily burn — the other 28% was quietly offset elsewhere in the body.

From an evolutionary standpoint, it makes sense. Our ancestors had to trek for miles without exhausting their energy reserves, according to Herman Pontzer, lead author of the study and an evolutionary anthropologist.

He witnessed this firsthand in Tanzania, where he lived among the Hadza, one of the last hunter-gatherer communities on Earth. Every day they trek miles across the dry savannah, hunting game and foraging for food.

Pontzer expected them to burn far more calories than notoriously sedentary Americans, but he found they actually burned about the same amount.

Our flexible metabolism — which lets us adapt to different diets and store fat for hard times — helped humans survive and thrive, and even shaped the way we age, Pontzer explained in an interview with Duke’s Magnify Magazine.

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Strength training didn’t trigger the same compensation effect as cardio did. FranciscoJavier – stock.adobe.com

Notably, however, this compensation effect wasn’t universal across all workouts.

The researchers found the body only seemed to compensate during aerobic exercise like running. When it came to lifting weights or resistance training, the three strength studies they reviewed showed people burned more calories than expected based on how much they exercised.

The team isn’t exactly sure why — but they have a few theories.

For one, it’s tough to measure calories burned while lifting. The methods used in the studies are likely better suited for steady cardio, so the numbers might be off.

It’s also possible that heavy lifting doesn’t trigger the same compensation response as long, sweaty aerobic sessions. And the act of repairing muscle damage after strength training may require extra energy as well.

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Diet also seemed to play a key role in how the body compensates.

The researchers found that if people cut calories while ramping up their workouts, their total burn often didn’t budge at all.

“The real killer here is that if you pair exercise with diet, your body goes, ‘Fine, well, then I’m going to compensate more,’” Pontzer told the New Scientist. “It’s still good for you, just not for weight loss.”

But that doesn’t mean you should cancel your gym membership.

Regular movement is still essential for our health — lowering chronic inflammation, stabilizing hormones and reducing the risk of chronic illnesses.

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“You have to think about diet and exercise as two different tools for two different jobs,” Pontzer said.

“Diet is the tool for managing your weight. Exercise is the tool for everything else related to health — from mental health to cardiometabolic disease.”

Fitness

Fitness Class Volume Tied to Exercise Intensity Perception

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Fitness Class Volume Tied to Exercise Intensity Perception

About The Study: In this comparative effectiveness study, reducing music volume in group fitness classes did not lead to meaningful reductions in perceived exertion and may reduce the risk of noise-induced hearing loss. These findings support implementing safer sound practices in fitness environments and underscore the need for increased awareness and education on hearing protection.

/Public Release. This material from the originating organization/author(s) might be of the point-in-time nature, and edited for clarity, style and length. Mirage.News does not take institutional positions or sides, and all views, positions, and conclusions expressed herein are solely those of the author(s).View in full here.

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Reward yourself by exercising regularly at One to One Fitness | CWRU Newsroom | Case Western Reserve University

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Reward yourself by exercising regularly at One to One Fitness | CWRU Newsroom | Case Western Reserve University

Now is the time to recommit to your health in time to feel your best for all your summer activities! One to One Fitness Center offers several ways to save in March.

Members of the Case Western Reserve University community can take advantage of sign-up specials designed to reward themselves for creating healthy habits.

Individuals can get 50% off the initiation fee (regularly $50 plus tax) and earn back what they do pay by exercising eight or more days in both April and May. Learn more online about this deal on initiation fees.

Students also can get additional savings:

  • Graduate students who are enrolled for the spring semester receive summer membership free.
  • With Spartan Shape Up memberships, affiliate students pay just $40 per month for membership from now through May, and no initiation fee or security deposit is required.
  • Students also can pay $44 plus tax per month with a month-to-month, ongoing plan. No initiation fee or security deposit required.

One to One Fitness Center, owned and operated by CWRU, is known for offering personal, professional, friendly and clean services. Memberships include full access to the 28,000-square-foot fitness center, group exercise classes, validated parking in Lot 53, towel and locker service, and member discounts on programs and services.

Members also can add their spouse or partner to their account for $30 plus tax per month. The center also offers personal training, Pilates Reformer, massage therapy and sound bath therapy, swim lessons, and more.

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Visit the One to One Fitness Center website, email onetoone@case.edu or call 216.368.1121 for more information.

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A 3-Step Plan to Give Your Diet, Fitness Routine and Mindset a Reset for Spring

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A 3-Step Plan to Give Your Diet, Fitness Routine and Mindset a Reset for Spring

To help you do this, we’ve tapped our Start TODAY experts for simple tips to lighten up meals, move in ways that boost metabolism and and refocus our mindset to get motivated to keep working toward your goals. Apply their strategies and finish the month feeling lighter, more energized and motivated to move forward. Here’s the plan to make it happen:

>>Download the 31-day calendar here

31-Day HIIT & Walking Challenge

This month’s workout plan is focused on short workouts that pack a punch. “HIIT workouts give you a bigger bang for your workout buck! They provide a more efficient workout because you’re alternating the pace and intensity rather than sticking to a steady, moderate pace,” says Mansour. “Changing things up with HIIT prevents boredom and keeps your muscles guessing. This is how we can get the body to change — whether that change is speeding up your metabolism, burning more calories, building muscle, losing weight, or just improving overall health — keeping your body guessing is the magic ticket to seeing results!”

Active recovery days include stretching to improve flexibility and walking for a cardiovascular workout that aids muscle recovery. When weather permits, Mansour encourages people to get outside on walking days. “Walking outdoors isn’t just a workout, it’s a chance to breathe in fresh air and get out of the house to change your environment,” she says. “Each time you go outside on a walk, even if you go on the same path, you’ll see or feel something different. Maybe it’s a change in weather, plants or flowers, people or things. Prioritizing taking your walk outside can hugely benefit your mental health. Getting out of your regular environment and into nature can be a form of meditation, too.”

Get the full 31-day workout plan with unique workouts sent to you daily — plus, walking podcasts, healthy spring recipes and mindfulness tools — in the Start TODAY app!

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Start TODAY Spring Asparagus Pasta recipe
Lighten up comfort food favorites by adding seasonal ingredients, like in this Spring Asparagus Pasta.

3 Simple Spring Diet Tips

In addition to mixing up your workout routine, use spring as an opportunity to start lightening up your meals by packing them with seasonal ingredients. Start TODAY dietitian Natalie Rizzo shares her top tips:

  1. Incorporate more seasonal foods. After a long winter of eating the same foods, your palate is ready for a change! Aim to add at least one spring fruit or vegetable to your meals each day, like asparagus, peas, spinach, radishes, citrus or strawberries. This Spring Asparagus Pasta is a simple weeknight dinner that feels both light and comforting. Seasonal produce is fresher, more flavorful, and an easy way to naturally boost vitamins and fiber. Plus, seasonal produce is more affordable than other items in the produce section.
  2. Use fresh herbs to brighten up your dishes. Fresh herbs like basil, cilantro, parsley, mint, or dill can instantly upgrade simple meals without extra salt or heavy sauces. Sprinkle them on salads, roasted veggies, eggs, soups, or grain bowls for a burst of spring flavor. Cilantro is the perfect finish to this Mexican Stuffed Sweet Potato, while herbs are blended into cottage cheese in this Herby Cottage Cheese Toast with Tomato recipe for a pop of fresh flavor.
  3. Shift from heavy comfort meals to balanced plates. As the weather warms up, it’s time to move away from heavy comfort foods and embrace lightened up spring dishes. Build plates with a mix of lean protein, whole grains or starchy veggies, and plenty of colorful produce. Think roasted veggie grain bowls, hearty salads like this BBQ Chicken Quinoa Salad, or simple stir-fries instead of creamy casseroles or heavy stews.
Start TODAY Mexican Stuffed Sweet Potato
A sprinkle of fresh cilantro is the perfect finish to this Mexican Stuffed Sweet Potato.

Spring Clean Your Mindset with This Mental Health Exercise

Yes, we are working to propel ourselves forward toward our health goals, but an important part of that process is slowing down and reflecting.

Getting permission not to rush in a world that feels like it’s moving faster than we can keep up is a reminder that most of us need.

Yasmine Cheyenne, start TODAY mindfulness expert

“Getting permission not to rush in a world that feels like it’s moving faster than we can keep up is a reminder that most of us need, but how often would we admit that?” says Cheyenne. “ When the to-do list feels long, and we’re trying to get everything done, we often say the opposite, disregarding how we feel, and push ourselves. Yes, we all have deadlines and things that need to be done. But we also need the reminder to take care while handling our responsibilities.”

This can be easier said than done. So Cheyenne offers up a simple exercise to help: Write down the words you need to hear each day to make yourself a priority and work toward your goals. Put them somewhere you see often, like your fridge or bathroom mirror, and recite them out loud daily.

“This is a perfect example of a reminder that seems small, but can come at the perfect time and help us care for ourselves,” she explains. “One of my favorite examples is: Take it slow and don’t rush, your nervous system deserves peace.”

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“When you tell yourself the thing you’ve been needing to hear, it allows you to admit the quiet rumbling within you and take the steps you need. It might be admitting ‘I’m tired and will give myself an early night this week.’ Or you’re saying ‘I’m so proud of the way I’ve committed to moving my body everyday.’ Whether you’re cheering yourself on or reminding yourself of what you need, we don’t always slow down enough to hear what we need from ourselves, and this practice is a great way to start.”

Talking out loud to yourself may feel strange at first, but Cheyenne says over time it will help shift your mindset and translate those words into action. “When we hear ourselves recite these words, it’s like we’re planting positive seeds within us. The more we say what we need, the more we remember it, and we’re more likely to follow through and care for ourselves,” she says. “Our actions really start with the words we say to ourselves. Reading them out loud helps us rewire the way we talk to ourselves and that inner shift is exactly what opens the door to transformation.”

Join our live “Spring Reset Workshop” on March 22 to get one-on-one coaching from Yasmine Cheyenne and connect with other Start TODAY members. Sign up here!

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