Question

35.

You are working at a state of the art sports testing complex (think the Nike or Gatorade research labs where time, money and equipment are in abundance) and you are looking to collect body composition on a small group (5) of elite distance runners. The purpose is to collect body composition before they try to break the marathon world record.

Based on the methods we have discussed, what body composition assessment would you use and why? Be detailed and specific when explaining/defending your choice!

34.

You are working on a research project and you are looking to collect VO2max measures on obese adults (categorized as such based on weight and BMI).

Which method/GXT would you choose to assess CRF and why?  Be detailed and specific when explaining/defending your choice

33.

You are working with a community project that is looking to identify health risk factors in middle school students. As a part of this project, you are tasked with collecting body composition assessments from 80 middle schoolers.

What method(s) of body composition would you choose and why? Be detailed and specific when explaining/defending your choice

32.

In lay (or simple) terms, please explain the basic theory of how the BIA method works to predict body composition. Assume you are explaining it to someone that is not in this class (a client/participant for example).

31.

Using the VO2Reserve method, calculate target VO2 for a client whose VO2 max is 12 METs and their prescribed intensity is 70%. Hint: your final answer should be in relative VO2 and NOT in METs. You must show all your work for full credit.

Answer 1

32)(BIA) is a method of assessing your body composition: the measurement of body fat in relation to lean body mass. It is an integral part of a health and nutrition assessment.BIA measures the electrical impedance of body tissues and has been used to assess fluid volumes, total body water, body cell mass, and fat-free body mass. A small alternating electrical current is passed through surface electrodes placed on a hand and foot and the impedance to the current flow is measured by different electrodes placed adjacent to the injection electrodes. The voltage drop between electrodes provides a measure of impedance.

31) 70%VO2r= vo2 max - rest met) × intensity+ rest met

12-3.5× 0.7+ 3.5

= 8.5×0.7+ 3.5

9.55+3.5= 13.05 ml/kg/mint

33)The most common assessments used in community are anthropometric and include weight, stature, abdominal circumference, and skinfold measurements this is The most basic method ,and the most common, which help them to find BMI.Health worker can calculate BMI from the heights and wt This is the most practical way to evaluate the degree of excess weight or obesity

34) methods to assess crf directly, expressed as maximal oxygen consumption (Vo2max), or estimated from the peak work rate achieved on a treadmill .O2peak is commonly used method to describe CRF in the obese populations and people with chronic diseases and health conditions . Open-circuit spirometry, also known as indirect calorimetry, is the preferred method for the measurement of O2max and is measured during a graded incremental or ramp exercise test to exhaustion.

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