HSC 308 Final Exam Questions and Answers All Correct
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Course
HSC 308
Institution
HSC 308
HSC 308 Final Exam Questions and Answers All Correct
Why do weight category athletes need to be careful with CHO loading? - Answer- CHO loading greatly increases liver glycogen, 1 g glycogen stored with 2.6 g water. A person who CHO loads will naturally gain weight making it hard for them to trul...
HSC 308 Final Exam Questions
and Answers All Correct
Why do weight category athletes need to be careful with CHO loading? - Answer- CHO
loading greatly increases liver glycogen, 1 g glycogen stored with 2.6 g water. A person
who CHO loads will naturally gain weight making it hard for them to truly CHO load for
competition.
Describe what the ideal sports drink would contain. - Answer- - H2O, energy in the form
of CHO's, electrolytes.
- 6-8 grams of CHO per 100 ml of fluid. Most glucose polymers.
- 20-60 mmol/l = ideal amount
- Palatability: Good taste and flavor.
Define body composition and name its three general models. - Answer- The body's
chemical and molecular composition.
General models of body composition:
- Chemical model
- Anatomical model
- Two-compartment model
List one pro and one con of hydrostatic weighing/air
plethysmography/DEXA/skinfolds/bioelectric impedance for assessing body
composition. - Answer- Hydrostatic weighing:
- Pro: Easy to do
- Con: Air in lungs and GI tract can improve buoyance and can affect results.
Air plethysmography: body pod
- Pro: Easy for subject
- Con: Expensive and more difficult to properly measure
DEXA:
- Pro: Gives bone density as well
- Con: Expensive, small amount of radiation
Skinfolds:
- Pro: Cheap, easy to perform
- Con: Human error
Bioelectric impedance:
- Pro: Cheaper and easy to find
- Con: Easily effected by hydration and can become inaccurate
, What are the risks of dehydration for making weight standards? - Answer- Risk of
kidney, cardiovascular dysfunction, death.
What is the female athlete triad? - Answer- Eating disorders
- Weight standard can lead to disordered eating
- Anorexia nervosa, bulimia nervosa
- More prevalent with women in lean sports
Menstrual dysfunction
- Delayed menarche, oligomenorrhea, or amenorrhea
- Prevalent in low-body-weight sports
- Due to caloric intake < caloric expenditure
Bone mineral loss
- Serious consequence of athletic amenorrhea
- Anorexia leads to fracture rate 7 times higher
Female athlete triad ^^
- Eating + menstrual + bone mineral disorders
- Seen with women in lean-physique, low-body-weight, or endurance sports
- Skating, dance, gymnastics, running, swimming
Name an alternative to the female athlete triad and state why it may be a better
alternative. - Answer- Appropriate weight standards as it would discuss more about
body composition versus total body weight and including optimal range of percent body
fat.
Describe how you would create an optimal weight standard for an athlete. - Answer- -
Moderate caloric restriction + exercise
- Caloric deficit: 200-500 kcal / day
- Lose no more than .5-1 kg / week
- When near goal, slow weight loss further
What guidelines would you give for optimal weight loss? - Answer- Avoid fasting and
crash diets
- Causes more water and muscle loss, less fat loss
- Ketosis accelerates water loss
What is BMI, how is it calculated, and what are the categories? - Answer- Body mass
index (BMI)
- Body weight in kg / (height in m)^2
- Most widely used standard for obesity classification
- Body composition not accounted for
- Overweight: 25-29.9 kg/m^2
- Obese: 30+ kg/m^2
BMI classification cut points: differences by race and ethnicity
Categories:
- Underweight: <18.5
- Normal: 18.5 - 24.9
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