ANTH 369 Lab 2-Sanders,A

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Anthropology

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Dec 6, 2023

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Fall 2020 Name: Autumn Sanders Section Time: 8 AM Anthropology 369: Human Growth and Development Lab 2: Anthropometry: Assessing Growth and Development Take the following measurements (or have someone measure you) and record below. Answer questions when applicable. Anthropometry and Health. 1. Body Size Measurements You may use your own measurements or those of a friend for this section. Stature (cm): 170.18 cm Weight (kg): * 56.699 kg Calculate your Body Mass Index (BMI): 19.6 (Weight in kg divided by height in m squared ( kg/m 2 )) Response Question 1 . BMI is commonly used as a measure of health and obesity. US & World Health Organization standards for adult BMI are: Underweight: <18.5 ; Healthy: 18.5-24.9 ; Overweight: 25.0-29.9 ; Obesity: Class 1 (30.0-34.9), Class 2 (35.0-39.9), Class 3 (>40) . a) What are some of the benefits of using BMI as a health measure? b) What are some of the problems with using BMI? c) Discuss some of the challenges of using BMI as a measure of children's health. Is it an appropriate index? A) One benefit of using BMI as a health measure is that it creates a standardized system which can calculate how children are developing, and how healthy individuals are, in a very basic manner. B) A problem with using BMI as a health measure is that it only takes weight in general into account, and not the different factors which make up weight. For example, BMI in no way differentiates between fat and muscle mass. Therefore, two people with the exact same BMI could have very different health situations. C) Using BMI as a measure of children’s health is not an appropriate index because of their periods of very rapid and very slow growth. Height is a better index, because it is a more consistent measure in children.

Fall 2020 2. Body Composition The table below includes anthropometric measurements from a research project surveying adult Yakut (Sakha) individuals from Siberia collected by Dr. Snodgrass in 2003. Use the data in the table to first calculate average measurements for the different measurements listed (Triceps skinfold, subscapular skinfold, etc.) based off sex and use those values to calculate percent body fat using the formulas below. Individual Triceps skinfold (mm) Subscapular skinfold (mm) Female 1 35.5 49.5 Female 2 30 30.5 Female 3 15 13.5 Male 1 17.5 39 Male 2 16 20 Male 3 12 31 How to Measure Skinfolds (4:42): Standardized anthropometric procedures used throughout the NHANES III study for the body measurement component of the survey. Includes procedures for measurement of skinfolds for thighs, triceps, subscapular, and suprailiac. https://www.youtube.com/watch?v=XMpifYMxHVo&ab_channel=CentersforDiseaseControland Prevention%28CDC%29

Fall 2020 Females: Triceps skinfold average (mm): 26.83 mm Subscapular skinfold average (mm): 31.16 mm a) Calculate body density from the triceps and subscapular skinfolds: 1.01557 Density = c – [m * log(Sum of triceps and subscapular skinfolds)] (Use c and m from the table) Sex/Age c m Males: 17- 19 1.1561 0.0711 20- 29 1.1525 0.0687 Females: 16- 19 1.1468 0.0740 20- 29 1.1582 0.0813 b) Calculate percent body fat (%) from triceps and subscapular skinfolds: 37.41% body percent Percent fat = 100 * [(4.95/Density) – 4.5] Males: Triceps skinfold average (mm): 37.5 mm Subscapular skinfold average (mm): 33.33 mm a) Calculate body density from the triceps and subscapular skinfolds: 1.0249

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