Body Composition is a breakdown of the components that are present and their levels in an individual’s body. It is essentially the ratio of fats, proteins, water, and minerals present in the body and helps one to compare their body composition to an ideal composition to get an idea of their health levels. It can be calculated using body composition testing, which includes a number of analytical tests.

why is body composition important to measure?

The increasing trend of obesity and being overweight is leading to the development of a number of metabolic disorders and chronic conditions in a new generation all over the world. It is leading to a rising prevalence of conditions like type 2 diabetes mellitus and cardiovascular conditions, which can have a great impact on the individual’s lifestyle and well-being. Body Composition Analysis is a method of assessing the amount of fat and body composition muscle mass an individual has in their body. This Body Composition measure allows them to make the required changes accordingly to attain healthy body weight and prevent the development of chronic conditions. 

Body composition analysis tests allow the ratio of the different compartments of an individual’s body to be measured, which can then be compared to their ideal or required ratios. This comparison allows an individual to start intervention which can be in the form of a diet change or regulation of exercise to allow them to reach their ideal levels.

what factors affect the body composition?

age of the individual

As an individual age, there is an increase in the percentage of their body fat along with their body weight due to a number of factors, one of which is the decreased level of exercise. This is also accompanied by a reduction in the total body protein levels due to the loss of muscle mass. Hence, the body composition scanning will show changes in the levels of fats and protein in an individual as they age.


Females are generally found to have a greater level of fats in their bodies as compared to males. The difference in the fat levels in females and males, which is often shown by body composition analysis machines, is mainly due to the difference of hormones in both genders – as estrogen in females makes it hard to burn fat as efficiently as males.


Even though there have been mixed opinions and results regarding the differences in body composition in various ethnic groups and individuals from different backgrounds, however comparisons using Body Composition Analyser in a majority of studies have shown individuals from an African American background to have a greater level of mineral in their bones as compared to the other ethnic groups.

why do you need to understand your weight in terms of muscle and fat?

Knowing the composition of your body weight helps you assess your overall health and fitness. Excess fat can increase the risk of various health issues such as heart disease, diabetes, and hypertension while maintaining or increasing muscle mass can have positive effects on metabolism and overall well-being.

Weight alone does not provide a complete picture of your body composition. You may have a healthy weight but still have an unhealthy level of body fat, or you may have a higher weight due to muscle mass, which can be perfectly healthy.

Understanding the balance between muscle and fat is crucial for achieving specific fitness goals. For instance, if you’re trying to lose weight, you may want to reduce fat while preserving or building muscle. If you’re aiming to increase strength and muscle size, you’ll want to monitor your muscle mass.

To design an effective fitness and nutrition plan, it’s important to know whether you need to focus on fat loss, muscle gain, or both. Tailoring your regimen based on your body composition can yield better results.

Tracking changes in muscle and fat levels helps you assess the effectiveness of your fitness and dietary strategies over time. It can motivate you by providing tangible evidence of your progress.

Many people experience weight loss plateaus when they focus solely on reducing overall weight. Understanding the muscle-to-fat ratio can help you identify plateaus and adjust your approach accordingly.

Rapid weight loss without considering muscle preservation can lead to muscle loss, which can negatively impact your metabolism and overall health. By tracking muscle and fat, you can make adjustments to protect your muscle mass during weight loss efforts.

Knowing your current body composition helps you set realistic and achievable goals. Unrealistic expectations can lead to frustration and potentially unhealthy practices.

what are the benefits of finding out about body composition?

A major advantage of finding out body composition is to evaluate all the deficiencies or excesses of various components in the body – after which corresponding changes may be made by the individual.

The benefits corresponding to this include:

  • It allows individuals to know whether they are required to gain or lose weight according to their baseline.
  • Finding out the ratio of separate components allows the individual to focus on the abnormal component instead of making changes to all components. For example, if the percentage of fat is high only, the individual is directed toward fat loss instead of complete body weight loss.
  • An analysis of the body composition of the body allows the individual to find out their unique fitness goals and plan their workout routine accordingly to allow maximum benefit.

Finding out the calorie needs through body composition analysis also allows the individual to refer to a nutritionist plan their diet accordingly, and have personalized nutrition goals.

how do you track your progress with body composition outputs?

Tracking of body composition using different methods allows an individual to get an insight into how their body is changing and what interventions they may need to make to help their body reach health composition goals. A number of body composition analysis methods are available – some might be more appropriate for certain individuals than others. Different assessments have different validity and reliability, and while some may display the composition of the entire body together, others may do this in segments – as seen in the segmental body composition analyzer.

Moreover, experts believe that it is beneficial for the majority to schedule body composition assessments at least 3 to 4 times a year, to be well aware of how the body is changing in real time. However, this time may vary from person to person according to their goals.

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