Chapter 10 nutrition Flashcards
what food groups comprise the 5 colored bands of MyPyramid?
grains vegetables fruits milk meat and beans
How many serving of each food group
because portion sizes differ MyPyramid recomends oucnes and cups
How many ounces/cups of each 5 groups
Grains: 6oz Vegetables: 2 1/2 cups Fruits: 2 cups milk: 3 cups meat and beans: 5 1/2 ounces
what is the typical recommended intake of p/c/f?
Protien 10-15%
Carbs: 45-65%
Fat 20-35%
Protein requirement for athlete?
1.5-2.0g/kg of body weight
difference between LDL and HDL
LDL=bad Low density
HDL=good high density
what are triglycerides?
the union of glycerol with 3 fatty acids
saturated fats
fatty acids containing no double bonds
monosaturated
one double bond
polysaturated
2 or more double bonds
what is cholesterol?
synthesized in the liver and intestine it is important for cell membranes and the production of bile
how does dehydration affect performance?
Causes cardiovascular strain and impaired ability to dissipate heat.
what can happen if dehydration occurs?
collapse,
what are electolytes
control fluid balance, loss of sodium from sweating can result in heat cramps
strategies to enhance fat utilization during exercise? promote fat oxidation and decrease muscle glycogen depletion?
caffeine, consumption of medium-chain triglycerides, exposure to high-fat, low carb diets
the best diet is
individulized
what is the first step in nutirional counseling
define the athletes goals
what are the 2 fundamental components of the diet
appropriate calorie lever
appropriate nutrient level
essential amino acids
His Is Leu Lys Met phe thr try Val
non essential
ala arg asp cyc glut gly pro ser tyr
how much protein should come from animal sources
2/3rds
protein intake recommendation for adults
10-15%
how much protein should aerobic endurance athletes eat
.8g/kg of body weight
how much protein should resistant training athletes consume?
1.7g/kg of body weight
general recomommendation for protein of athletes
1.5-2.0 g/kg of body weight
how much is too much protein?
greater than 4.0g/kg body weight
monosaccharides
glucose, fructose and galactose singe sugar molecules
disacchardies
sucrose lactose maltose 2 simple sugar units joing together
sucrose is a combination of
fructose and glucose
polysaccharides
complex carbs such as fiber or starch
carb intake for athletes
5-6 g/kg of body weight
aerobic endurance athletes carb requirements
8-10