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EXPH 387 WVU exam 2 questions and answers 2025 latest update.
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EXPH 387 WVU exam 2 questions and answers 2025 latest update.
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EXPH 387 WVU exam 2 questionsand answers 2025 latest update.
What provides a popular means to assess the extent of
"overweightness" on the basis of gender and body frame size? -
answer Height-Weight tables
What are the limitations of Height-Weight tables? - answer - Use
unvalidated estimates of body frame
- DO NOT consider specific cause of death
- Specific focus on mortality, DO NOT consider morbidity (quality of
health)
- Developed from data derived from primarily white populations
- DO NOT consider body composition
- A person may weigh more than the average weight-height
standard yet still rate "underfat" for body composition, extra weight
exists as muscle mass
Mathematical formula of BMI - answer weight (kg)/ height (m²)
What BMI is considered overweight? - answer 25 to 29.9
What BMI is considered obese? - answer ≥30
What type of relationship does BMI have with all cause mortality? -
answer curve linear
What limitations are associated with determining BMI? - answer -
Higher, but moderate associations with body fat and disease risk
- Not validated for children
,- Assumes BMI remains independent of age, gender, race
- No indication of fat patterning
What other factors can affect BMI? - answer bone, muscle mass,
and increased plasma volume induced by exercise affect the
NUMERATOR of the BMI equation
What BMI is considered undernourished? - answer < 18.5
What is essential fat? - answer consists of fat in the heart, lungs,
spleen, kidneys, intestines, muscles, and lipid rich tissues of the
CNS.
What are the characteristics of essential fat? - answer - Required
for normal function
- includes sex specific fat in females (child bearing)
what is storage fat? - answer fat primarily in adipose tissue
(visceral and subcutaneous)
Reference man fat percentages - answer 12% storage, 3% essential
Reference female fat percentages - answer 15% storage, 12%
essential
Lean Body Mass (LBM) includes... - answer - Non sex specific
essential fat equivalent to approx. 3% of body mass
Fat Free Mass (FFM) includes... - answer - Body mass free from
(devoid) all extractable fat such as bone, muscle, connective tissue
, T/F LBM is in vitro? - answer False - vivo
T/F FFM is in vivo? - answer False - vitro
fat mass formula - answer body mass * (% fat/100)
fat free body mass formula - answer body mass - fat mass
determining goal body weight formula - answer goal weight (kg) =
fat-free mass /(1.00-desired %fat)
An individual weighs 185lbs and is 18% body fat. The individual
wants to be at 15% body fat. What would their goal body weight
need to be? - answer 185lbs x .18 = 33.3 fat mass
185lbs - 33.3 = 151.7 fat free mass
151..00 - .15 = 178.5
goal weight = 178.5 lbs
Ways of determining body comp - answer Direct assessment
Indirect assessment
Direct assessment includes: - answer cadaver analysis
Indirect assessment includes: - answer Hydrostatic weighing
Skinfold & Girth measurements
X-ray and MRI
Electrical conductive (bioelectrical impedance)
Near-infrared interactance
Ultrasound
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