Exercise Physiology Body Structure Essay

Body Composition


In this research laboratory, we executed body make up measurements to estimate body fat mass and fat-free mass. We received skinfold measurements, found out your body mass index, waist to hip percentage, and conducted hydrostatic analyzing.


This lab allowed us to use two individuals in which we obtained human body composition measurements from. • First, we all measured the height and excess weight of our two individuals. Having these measurements enabled us to determine their physique mass index. The body mass index is usually weight in kilograms divided by height2 in metres. • Subsequent, we identified the stomach circumference of your individuals. We all measured at the umbilicus and read the measurements in centimeters. Waist circumference can be associated with diseases including heart disease, hypertension, and diabetes. • We then done a series of several skinfold measurements. Skinfold screening measures fat located underneath the skin. All of us measured at the chest, midaxillary (near xyphoid process), tris, subscapular, abs, suprailiac, with the leg. The tester pinched the subject's skin at the ideal site to boost the skin and the underlying grosseur tissue, however, not the muscle. With the suitable tool, the tester after that measured the thickness. Once testing someone, the same side of the body system should be used consistently to be able to ensure correct measurements. • Next, all of us conducted hydrostatic weighing. This can be a more exact way of estimating body fat simply by measuring body system density. We all first acessed his/her brazilian bikini. They then bathed off and focused on completely soaking their hair. They then proceeded to get into the pool, which is used specifically for underwater weighing. We noted water temperature, water density, and the weight with the chair. Each of our subject then simply sat inside the chair and hooked his/her arms around the back of the chair. Then they leaned forward, completely exhaling all air from their lungs, and immersed themselves in the water. Other group see the scale that determined all their underwater mass. Every wave on the scale was 3 kilograms. The two subjects do this procedure 3 x and got constant readings.


The skinfold testing plus the hydrostatic tests enabled all of us to compare our benefits and to see how accurate they were to each other. Just before we conducted the hydrostatic testing of our individuals, we obtained preliminary measurements. We found era, weight, level, waist, and performed the skinfold tests on eight specific parts on their body. These were the chest, midaxillary, triceps, subscapular, abdominal, suprailiac, and the thigh. We as well weighed their bathing suit and determined this particular temperature, the water density, plus the weight in the chair. Finally, we took readings from the hydrostatic weighing. These details is exhibited below in Table A. After obtaining these results, we calculated the body mass index, human body density(skinfold test), body fat percentage (skinfold test), residual volume level, mass underwater, body density(hydrostatic weighing), and a series of extra fat percentages via hydrostatic weighing. This information is displayed in Table B.

Table A:

| |Subject A |Subject B | | |Male |Female | |Age |23 years |20 years | |Height |187. 5 cm |170 centimeter | |Weight |74. 5 kg |56. 9 kilogram | |Waist |80 centimeter |75. five cm |...

Cited: " Body Fat Percentage. " Qualified Fitness. 2009. Muscle Expert, Web. 25 Oct 2009.


Tremblay, A., E. To. Poehlman, T. P. Despres, G. Theriault, Danforth, Electronic., and C. Bouchard.

" Endurance Teaching With Regular Energy Intake in Similar Twins: Adjustments Over

Time in Energy Expenditure and Related Hormones. " Metabolism 46. 5 (1997):



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