Chapter 10 Flashcards
Fuel depends on intensity and activity (T/F)
F - intensity and duration
Benefits of Physical Activity
Increased : restful sleep nutritional health
Body composition
Bone density
Immunity
Circulation/lung fxn.
Self-image
Longer lifespan
Quality of life
Lowers: cancer risk, type 2 diabetes, gallbladder disease, anxiety/depression
How many mins of vigorous activity adults need per week
150 mins
What is Fuel use at rest?
1/2 FAs
other 1/2 mostly glucose
some AAs
What is Fuel use during activity?
majority from glycogen
then glucose and FAs
Supplements help enhance performance if well nourished (T/F)
F
Female are higher at risk of iron deficiency (T/F)
T
Sports anemia is considered a not true iron con
Fluid loss is 1Litres/hr in hot humid environment (T/F)
F - 2hrs
Should drink water before and after physical activity? (T/F)
F- Before, during, After
What are the electrolytes lost during exercise?
Sodium
Potassium
Chloride
Too much sugar (~7% sugar ) delays stomach emptying and intestinal absorption of water (T/F)
T
Products supposedly enhance performance
- “energy giving”
Ergogenic acids
What happens to consumed extra AA supplements
stored as energy after removal of nitrogen, increasing nitrogen excretion