Body Composition: BMI, Metabolic Rate & Fat Metabolism

Body composition analysis relies on BMI calculation, understanding BMR/RMR standards, and identifying the biochemistry behind fat metabolism and lipolysis.

Young woman stepping on a weighing scale

Healthy Body Fat Percentage for a Teenage Girl

Adolescent obesity poses a public health risk and, as of 2012, more than 20 percent of teenagers were obese, according to the Centers for Disease Control and Prevention. However, some teenage girls may suffer from body image problems and believe they are overweight, even if they're not.

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senior man with expressive face eating  fast foods

Why Did Obesity Increase So Much in America?

Approximately one-third of Americans are obese, according to the "Journal of the American Medical Association." Many variables likely have contributed to the rise of obesity in the United States, including the availability of fast foods, a lack of exercise and even food additives.

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How Many Calories Do I Burn a Day by Just Existing?

The number of calories your body burns each day simply existing depends on myriad factors including body fat, muscle mass, gender, age, hormones and overall health. This number can be calculated and is called basal metabolic rate, or BMR.

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Jeans and centimeter

Healthy Waist Size & BMI

A burgeoning waist line may be doing more than keeping you out of your tight jeans; it could be shortening your life. Your waist size and body mass index are important indicators of increased health risk due to excess body fat.

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Enjoying our spinning class

Exercise for Upper Belly Fat

Losing upper belly fat can challenge even the most industrious athlete, but it’s easier to lose than you think. A combination of diet and exercise to lose weight everywhere is the only way to trim your middle -- spot reduction doesn’t exist.

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Overweight Brother and Sister Sitting Side by Side on a Sofa Eating Takeaway Food and Watching the TV

What Is a Normal BMI for Children?

Many children today live at an unhealthy weight. More than 12 percent of children aged 2 to 5 years are obese, as are 17 percent of children aged 6 to 19, according to the Centers of Disease Control and Prevention (CDC). Obesity increases a child's risk of emotional and physical health problems.

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Fat on stomach

Can You Break Up Fat Cells?

Advertisements blast you with the latest and greatest devices and techniques to break up or get rid of your fat cells. While they sound wonderful, vibrating devices and special massage techniques are not effective against fat cells.

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African American woman weighing self

The Average Body Weight for Women

Based on average U.S. women’s body weights and heights, women in the United States weigh more than they should. An estimated 64 percent of American women are overweight or obese, according to Weight-Control Information Network. A woman’s height, frame size and amount of lean body mass determine her ideal body weight.

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Nurse noting patients weight on scale in clinic

The Ideal Weight Based on Body Type

Exactly how much you weigh is a matter of genetics and your body composition. Instead of aiming for a particular number on the scale, make feeling fit and fabulous your goal. Your body type influences how your weight distributes, what exercises best suit you and what you should eat to fuel activity.

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Deadlift

Ideal Strength-to-Weight Ratio

Your strength-to-weight ratio is simply your strength divided by your body weight. The ideal ratio depends on your gender and what lift you're performing. Competitive athletes' goals for the strength-to-weight ratio differ from those for the average gym-goer.

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Athletics Training

Can You Dissolve Fat Lumps in the Body?

No special exercise machine or fad diet effectively burns fat lumps in the body. To rid your body of excess fat, you have to create a calorie deficit through changes in your diet and exercise. If you choose a sensible, healthy plan that suits your lifestyle, you are more likely to stick with your weight-loss effort.

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Young woman sitting at desk, wearing headphones, in student dormitory

Brain Fog & Your Metabolism

If you find yourself feeling groggy, confused or feel like you have a lack of mental clarity, you could be suffering from brain fog. Brain fog may also be related to your metabolism.

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What Body Fat Percentage is Considered Obese?

Obesity is becoming more prevalent in the United States. According to the National Institute of Diabetes Digestive and Kidney Diseases, 66 percent of Americans are either overweight or obese. These terms carry different stipulations, but both are considered unhealthy.

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Acronym BMI - Body Mass Index

What Does a BMI of 26 Mean?

Your weight is a good indicator of your health. If you maintain a healthy weight throughout most of your life, you may be able to reduce your risk of a chronic illness such as heart disease. Body mass index, or BMI, is a tool that helps determine health risk based on a calculation using your height and weight.

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Woman pinching fat on her belly

How to Measure Subcutaneous Fat

Having enough subcutaneous fat to "pinch an inch" might not have the health risks of deep-abdominal visceral fat, but it can still get in the way of achieving a very lean and toned physique.

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