[vc_row][vc_column width=”1\/1″][vc_column_text uncode_shortcode_id=”127061″]Is weight just a number? Your body holds far more information than you might think! Body composition analysis – a quick, simple, and non-invasive method – reveals the proportions between fat tissue and lean body mass (LBM), which includes skeletal muscle mass, bone mass, internal organs, connective tissue, and body fluids. Why is it important to regularly monitor these indicators? What insights about your health can they reveal? Find the answers in the rest of this article. Learn how body composition analysis through bioelectrical impedance can help you better manage your weight, improve your well-being, and even achieve better sports performance!<\/strong><\/p>\n
Authors: Klaudia Buczek, MSc Eng., and Micha\u0142 Mi\u015bta, MSc Pharm.<\/p>\n
Contents:<\/strong><\/p>\n
Body composition analysis<\/strong>, also known as body mass composition analysis, body composition assessment, or simply body analysis, is an anthropometric examination<\/strong> that measures the proportions of various components that make up the human body<\/strong>. This includes, in particular, water and protein, which are the main constituents of muscles; minerals that form the bones; and fat, which is a key component of adipose tissue. The composition of the human body<\/strong> is one of the key factors determining overall health status and physical fitness levels.<\/p>\n
There are several methods for analyzing human body composition, which vary in terms of measured parameters, technical sophistication, availability, time required to conduct the assessment, cost, and accuracy of the results. These methods can be more or less complex, which affects the precision of measurements and their application in different contexts, ranging from everyday monitoring and dietitian consultations to advanced clinical research. Below is a brief overview of the available methods.<\/p>\n
Body weight measurement through weighing is the simplest way to track changes in your body. However, the number on the scale is just a standalone figure that, on its own, does not provide much information about a person’s body composition<\/strong>. You may have a normal body weight but still have a high fat content, such as excess fat surrounding internal organs. This body type is known as hidden obesity<\/strong>, or TOFI <\/strong>(T<\/strong>hin O<\/strong>utside, F<\/strong>at I<\/strong>nside). Total body weight is a sum of many components: muscle tissue, fat tissue, bone mass, and water. However, a standard scale used for measuring body weight cannot reveal these details.<\/p>\n
A slightly more accurate, yet still approximate, method is calculating the Body Mass Index (BMI).<\/strong> To determine BMI, simply divide your body weight (in kilograms) by your height squared (in meters),<\/strong> then compare the result with standardized charts. The general interpretation of BMI values based on the obtained result is as follows:<\/p>\n
Unfortunately, BMI does not account for the fact that two people with the same weight and height can have entirely different body structures and compositions<\/strong>. Therefore, BMI has limited usefulness in many cases, such as for athletes and individuals with a high muscle mass.<\/p>\n
The percentage of body fat can be estimated by measuring the thickness of skinfolds using a caliper <\/strong>(skinfold caliper). Calipermetry, the method of measuring body composition with a caliper, is based on the assumption that the increase in subcutaneous fat is proportional to the total amount of body fat. Although this test appears simple, it actually requires considerable skill and experience from the person performing it. It is a useful method, but it has its limitations. It only allows for the estimation of total body fat, assuming that the subcutaneous fat content in selected areas reflects the overall body fat level.<\/strong><\/p>\n
Measuring body circumferences is a popular method for assessing body shape parameters. Key measurements include the chest, arm, waist, abdomen (at the navel level), hips, thighs, and calves<\/strong>. It is important to take these measurements in underwear, at the same time of day, preferably in the morning before breakfast. This method is useful for independently monitoring body shape progress; however, when taking measurements, you cannot be certain how much of the measured volume is composed of muscle and how much is fat.<\/strong><\/p>\n
Body composition analysis using a body mass analyzer is a precise way to assess the proportions of different body components. The device utilizes the phenomenon of bioelectrical impedance analysis<\/strong> (BIA). This test is quick (lasting less than a minute), painless, non-invasive, and can be repeated without concerns. Through BIA, you can determine the amount of body fat, lean body mass, and their segmental distribution across the torso and each limb. The test also provides additional information, such as basal metabolic rate (BMR), muscle mass, mineral content, and total body water (TBW), and sometimes auxiliary indicators, such as metabolic age.<\/p>\n
Based on the analysis, you can assess your body composition, precisely define your body goals, and continuously monitor changes in body composition and your progress while following a training plan. The accuracy of BIA, compared to the reference method DEXA, can reach up to 98%, though this depends on factors such as the correct execution of the test. You can read more about this in the following sections of the article.<\/strong>[\/vc_column_text][vc_single_image media=”2021″ media_lightbox=”yes” media_width_percent=”100″ uncode_shortcode_id=”780456″][vc_column_text uncode_shortcode_id=”513915″]Photo 1. Professional body composition analysis conducted by Made By Diet\u00ae<\/sup> at COS Spa\u0142a.<\/strong> Body composition analysis using the bioelectrical impedance (BIA) method with a body mass analyzer allows for the evaluation of various body components, including lean body mass, body fat percentage, and visceral fat analysis. Additionally, it provides insights into body hydration and basal metabolic rate (BMR). The results of the body composition analysis are available immediately after the test, making this method extremely practical and useful.<\/p>\n
This test, also known as X-ray densitometry (DEXA\/DXA \u2013 Dual Energy X-ray Absorptiometry), is performed using a specialized X-ray machine.<\/strong> The device is primarily used to measure bone mineral density but can also provide precise information about body composition, such as muscle mass<\/strong> and body fat percentage<\/strong>. DEXA is considered the gold standard in body composition assessment.<\/strong> However, it is important to note that DEXA involves exposure to a dose of X-ray radiation, which can be harmful to health if used excessively. As with other X-ray examinations, DEXA should not be performed too frequently without a justified reason.<\/strong><\/p>\n
Body composition can also be assessed using hydrodensitometry, also known as underwater weighing.<\/strong> Hydrodensitometry is based on Archimedes’ principle („A body submerged in a fluid experiences a buoyant force equal to the weight of the fluid displaced by the body”). During the test, the patient sits still on a chair and is then submerged in water while maintaining this position. This method can be uncomfortable for the person being tested.<\/strong> Due to its procedure and the time required, hydrodensitometry is not widely used.<\/strong><\/p>\n
Air Displacement Plethysmography (ADP) is an effective but<\/strong>, like hydrodensitometry, rarely used <\/strong>method for body composition analysis. This test is similar to the aforementioned underwater weighing, which is based on measuring the volume of displaced fluid. However, in this case, air replaces the fluid (water), making the body composition analysis more comfortable for the individual. The test involves placing the patient in a sealed chamber and measuring the volume of displaced air.<\/strong> Despite its effectiveness, this method is not very popular due to the high cost of the equipment required for its execution.<\/p>\n
After discussing various body composition measurement methods, let’s return to one of the techniques commonly used in Made By Diet\u00ae clinics: the BIA method.<\/p>\n
The operation of a BIA body composition analyzer is based on the phenomenon of impedance.<\/strong> What does this mean exactly? Bioelectrical impedance,<\/strong> often referred to as bioimpedance, is the electrical resistance of an alternating current, which varies depending on the water content in the tissues.<\/strong> Body composition analysis using the Bioelectrical Impedance Analysis (BIA) method involves passing harmless electrical impulses through the body of the individual being tested. Due to the differences in electrical resistance of various body components, it is possible to precisely calculate the amount of body fat, muscle mass, as well as water and minerals in the body.<\/strong><\/p>\n
Body composition analysis, whether performed once or repeated regularly to monitor changes, is a diagnostic tool that offers many benefits. The most important advantages include:<\/p>\n
[\/vc_column_text][vc_single_image media=”2022″ media_lightbox=”yes” media_width_percent=”100″ uncode_shortcode_id=”736932″][vc_column_text uncode_shortcode_id=”113568″ css=”.vc_custom_1734097068392{margin-bottom: -25px !important;}”]Photo 2. Sample Body Composition Analysis Report.<\/strong> The sample report includes various metrics such as total body water, protein content, mineral content, BMI (Body Mass Index), lean body mass, body fat percentage, and Basal Metabolic Rate (BMR), which serves as the basis for determining Total Energy Expenditure (TEE). It also provides a visceral fat analysis. Regular body composition measurements not only help track changes in body composition but are also useful in body recomposition<\/strong> or fat reduction<\/strong>, especially when excess body weight hinders the achievement of sport, fitness, or health goals.<\/p>\n
Bioelectrical Impedance Analysis (BIA) is a highly popular method that combines impedance analysis<\/strong> with data such as body weight, height, age,<\/strong> and gender.<\/strong> What parameters can you determine using this method? They include:<\/p>\n
These parameters provide invaluable insights that help you understand your body better and benefit from body composition analysis<\/strong>. With this information, specialists (doctors, dietitians, trainers) can tailor your diet, training, or treatment plan precisely to help you achieve your individual goals more effectively.<\/p>\n
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Body Composition Analysis<\/a><\/p>\n
In the next publication, you’ll learn how to interpret the results of a body composition analysis and understand their importance in weight loss and for athletes. Go to the second part<\/a> and discover more![\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"