This assessment allows a very accurate determination of the two components of body composition: adipose/body fat tissue and lean/muscle and bone tissue while simultaneously eliminating the variation that can occur when using repeated skinfold measurement. BIA is comparable to “the Gold Standard” of body composition determination – underwater weighing. We use the Bodystat 1500, a four-electrode BIA unit. The BIA test itself involves the passing of a tiny, undetectable electrical charge between an electrode on the hand and an electrode on the foot. The Bodystat 1500 is able to measure the resistance (impedance) of the electrical charge and from this information accurately determine the percent body fat and the percent lean tissue. Basically the principle of its operation is this: muscle which is high in water content conducts electricity well and offers a lower resistance in comparison to adipose tissue which contains minimal water and offers a high resistance. Therefore, if the impedance reading is low, the percent body fat is low and vice versa.
Unlike other BIA handheld fitness equipment and scales, which only have electrodes either in the hands or under the feet, the Bodystat 1500 measures the resistance through the true dimensions of the body - hand to foot, which allows for a much more accurate and reliable measurement. BIA using the Bodystat 1500 is a great way of monitoring your weight loss and tracking your training progress since you can monitor both components of body weight – adipose tissue and lean (muscle and bone) tissue. This assessment allows an individual to actually see slight changes in lean muscle tissue and fat percentage - even when body dimensions and body weight may not give an indication. In fact monitoring weight changes alone can be highly misleading, since muscle, which is mostly water, is denser and heavier than fat tissue. An increase in percentage lean tissue from strength training automatically decreases the body fat percentage.
In addition to being able to measure fat and lean tissue, the Bodystat 1500 is also able to provide ideal ranges based on your actual results - not from height/weight tables and other normative data. The Bodystat 1500 is also able to measure your Basal Metabolic Rate or BMR. BMR is the minimum amount of energy required by the body simply to sustain life functions such as heart contraction and breathing while in a subconscious (sleeping) state. This value is directly proportional to lean muscle tissue content, since muscle consumes energy and produces body heat. For example, even at rest a bodybuilder will have a higher metabolism and consume more energy than an unconditioned sedentary individual. The unit can even calculate an Estimated Average Requirement or EAR- the number of calories (energy) you require in a day based on your BMR and your reported daily physical activity level. Finally, the Bodystat 1500 is able to determine hydration status too, which is critical for athletes, especially runners performing in warm temperatures.
Find out how to purchase this assessment alone or as part of our more comprehensive Fitness Assessment or Combined Fitness and Nutrition Consultation and Fitness Assessment
Find out how to purchase the Bodystat 1500 unit from our online store.
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