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BPK 143 Chapter Notes -Body Fat Percentage, Fembot, Electrical Resistance And Conductance

Biomedical Physio & Kines
Course Code
BPK 143
Tony Leyland

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Study Questions
Some of these questions pertain to information presented in earlier units as well as Unit 9.
Other questions on this general topic appear in Unit 10, since there is an obvious overlap
in these units.
1. What pattern of fat distribution is a health risk, and what fat distribution is not
associated with health risks? Which individuals are more likely to have either of
these two types of distributions?
Android obesity is more associated with health risks (around the
abdominal area). Men are more likely to have this distribution, women are
most likely to have gynoid obesity
2. A friend is going to a fitness facility to have her percentage body fat estimated.
What information do you think would be useful to her?
Body weight
Waist girth to hip ratio
Skin fold measurements
3. Define the terms "obesity" and "fat-free weight."
Obesity: severely overweight due to being overfat. May also be defined in
terms of some measure of total body weight
Fat-free weight: weight composed of muscle, bone, water, and any
substance that is not fat
4. What is the difference between essential fat and storage fat? Explain the sex
difference in these two factors.
Essential fat is fat stored in organs (nerves, brain, heart, lungs, liver,
mammary glands)
Storage fat is stored in fat cells located just below the skin. It is associated
with health risks
Women have a greater percentage of both essential and storage fat than
5. Describe the problems with using height-for-weight tables as a technique to
determine "ideal" body composition.
Height for weight tables does not consider body composition. A more
muscular individual who is short in stature will appear overweight because
muscle is more dense than fat.
Also body fat distribution is not considered. Android distribution is more
of a health risk than gynoid distribution
Waist to Hip ratio is also not considered. A larger waist means more
health risk
The tables are from white, middle class, American males. Not
representative of the general population
6. Describe the probable effects of a high-force, low-repetition weight-training
program on the body composition of a 20-year-old male. What would likely
happen to his body fat percentage if he gains three kg?
There wouldn’t be much fat loss, but muscle would be gained
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