The Ever Burning Key to Burning More Calories
Burning calories is essential for weight loss and maintaining a healthy body weight. The number of calories your body burns daily can vary significantly based on many factors. Understanding what affects your calorie burning rate can help you make lifestyle changes to burn more calories.
Sex Differences in Calorie Burning
On average, men tend to burn more calories than women each day. This is largely due to differences in muscle mass and metabolism.
Men naturally have less body fat and more muscle mass than women. Muscle tissue burns more calories than fat tissue, even at rest. As a result, men tend to have a higher resting metabolic rate than women.
Sex hormones also play a role. Testosterone helps increase muscle mass and boosts metabolism. Estrogen, on the other hand, encourages fat storage, particularly around the hips and thighs.
Due to both biological and lifestyle factors, the average man burns around 15% more calories per day than the average woman.
The Impact of Muscle Mass on Calorie Burning
Muscle mass is one of the main drivers of your resting metabolic rate. It burns calories even when you are at rest.
The more muscular a person is, the more calories they will burn. Muscle tissue burns about 20–30 calories per pound (45–68 calories per kg) each day. Meanwhile, fat tissue only burns about 5–10 calories per pound (11–22 calories per kg) per day.
Building lean muscle through strength training is one of the most effective ways to increase your resting metabolic rate. Studies show that strength training can boost your resting metabolic rate by 6–7% over 3–11 days.
As you age, muscle mass naturally decreases. This loss of muscle mass is linked to a slowing metabolism and weight gain. Doing regular strength training can help counteract this age-related decline in muscle mass.
How Aerobic Fitness Impacts Calorie Burn
Aerobic exercise temporarily increases the number of calories you burn. The more fit you are, the more calories you will burn.
When you do any aerobic activity like walking, running, or cycling, your body uses oxygen to fuel your working muscles. Using oxygen to generate energy requires calories. The more intensely you exercise, the more oxygen your body needs.
People who are more aerobically fit have greater cardiorespiratory fitness. They are able to take in and use more oxygen when they exercise. Their bodies become more efficient at burning calories to fuel a workout.
For example, a 160-pound (73-kg) person will burn around 573 calories per hour of vigorous jogging. A more aerobically fit person of the same weight may burn up to 606 calories doing the same workout.
Increasing your cardio fitness allows you to work out at higher intensities and burn more calories. It also boosts your excess post-exercise oxygen consumption (EPOC), which translates into more calories burned after your workout.
How Age Affects Your Calorie Burning Potential
As you get older, the number of calories your body burns decreases. This is largely due to the loss of muscle mass and reductions in physical activity that tend to occur with age.
Starting around age 30, most people lose 3–8% of their muscle mass per decade. Since muscle is metabolically active, this reduction slows your resting metabolism.
Older adults also tend to be less physically active in general. Less activity means you burn fewer overall calories each day. Your aerobic fitness also starts decreasing after age 30, further reducing calorie burn.
Together, these age-related changes make it more difficult to maintain your weight. To help counteract a slowing metabolism, it becomes increasingly important to stay active and maintain muscle mass as you age.
How Your Daily Activity Levels Impact Calories Burned
The more active you are, the more calories your body burns. Those who are more sedentary burn fewer calories each day.
Daily physical activity includes any movement you do during the day that uses energy. This includes purposeful exercise as well as other active tasks like walking, yardwork, cleaning, and taking the stairs.
Studies show that moderately active people burn about 200 more calories per day than less active people. More active individuals may burn up to 800 extra calories daily compared to those who are sedentary.
Increasing your non-exercise physical activity is an effective way to burn more calories. Simple choices like standing rather than sitting, taking the stairs, and doing housework can add up.
One study found that replacing 30 minutes of sedentary time with 30 minutes of light activity increased calorie burning by 14% per day, on average.
How to Maximize Your Calorie Burning Potential
Making lifestyle changes can help you burn more calories each day. Here are some tips to maximize your calorie burning potential:
- Increase your muscle mass through strength training. Lifting weights 2–3 times per week can help build metabolically active muscle.
- Perform higher intensity cardio. Choose activities like running, cycling, or HIIT workouts to challenge your aerobic fitness.
- Reduce sedentary time. Stand or walk around whenever possible and aim for at least 150 minutes per week of moderate activity.
- Add more steps. Use a fitness tracker to aim for at least 7,000–10,000 total steps per day.
- Boost NEAT. Opt for active chores like vacuuming and gardening over more sedentary tasks.
- Get adequate sleep. Poor sleep can negatively impact your metabolic rate and activity levels.
Focusing on diet and nutrition is also key. Be sure to eat plenty of protein to help build and maintain muscle mass. Avoid excessive alcohol and added sugars, as these provide excess calories without nutrients.
Making small, sustainable changes to increase your activity levels and muscle mass can help rev up your calorie burning potential. Even minor increases in the calories you burn daily can add up and bring you closer to your fitness goals.
FAQs
How does muscle mass impact calorie burning?
Muscle tissue burns more calories than fat, even at rest. The more muscle mass you have, the higher your resting metabolic rate will be. Building muscle through strength training is an effective way to burn more calories.
Do men really burn more calories than women?
On average, men burn about 15% more calories per day than women. This difference is largely due to men naturally having less body fat and more muscle mass than women.
How can you maximize calorie burn as you get older?
Stay active and maintain muscle mass through strength training as you age to counteract the natural loss of muscle that slows metabolism. High intensity exercise can also help burn calories.
What is NEAT and how does it impact calorie burn?
NEAT stands for non-exercise activity thermogenesis. It refers to calories burned through daily tasks like walking, cleaning, gardening etc. Increasing NEAT can significantly boost daily calorie burn.
How many steps per day should you aim for?
Aim for at least 7,000-10,000 steps per day. Using a fitness tracker can help you monitor your daily steps and increase your NEAT to maximize calorie burning.
Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a healthcare professional before starting any new treatment regimen.
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