Midterm Flashcards
AI
Adequate intake
Recommended intake value based on an observed group of healthy people that are assumed to be adequate
EAR
Estimated average requirement
Daily nutrient intake value on half the healthy individuals or group according to life stage and gender
UL
Upper intake level
Highest intake that is to pose no risk ( ex: vitamins)
Disuse
Use it or lose it
Periodization
Macro 1 (6months)
Meso 6
Micro biweekly or weekly
Carbs
5-10g per kg of body weight
Proteins
.8
1.5-2.0g per kg of body weight
Fats
1-2g per kg of body weight
Calories per pound of body fat
3500
Weight in pounds to kg
Divide by 2.2
Carbs broken down into
Blood glucose > ATP
Glucose stored as
Glycogen (potential energy)
4 tasks in body that require energy
Chemical
Electrical
Mechanical
Transportation
Chemical
Storage (muscle and liver) of carbs into glycogen
Electrical
CNS > electrical signal (action potential)
Mechanical
Force production of muscle
Transportation
Blood vessels > O2
Triglycerides
Free fatty acids
4 energy concepts
Potential energy
Kinetic energy
Endergonic reactions
Exergonic reactions
Potential energy
Stored energy
Glycogen and fats are used for energy
Kinetic energy
Potential energy as its released
Glucose to ATP
Endergonic reactions
Store energy
Glucose to glycogen
Useable to stored
Exergonic
Release energy
Taking stored and turning into usable ATP
Enzymes
Ase at end
Catalyst
To create or breakdown
ADP
After one phosphate breaks off
RDH
Recommended dietary allowance
Daily dietary intake sufficient to meet 97-98% of individuals
3 major lipids in human nutrition
Triglycerides, cholesterol, phospholipids
The fat that only contains 1 double bond between carbons
Monounsaturated fats
Example of food containing saturated fat
Butter
Solid at room temperature
Fish oil contains
Omega 3 polyunsaturated fats that are anti inflammatory
Type of fat with no nutritional benefits
Transfat
What happens to oil when it becomes hydrogenated?
Oils become more solid
Enzyme that stimulates the release of fatty acids from triglycerides in the blood uptake so adipose tissue can take place
Lipoprotein lapase
Lpl
Calories of fat per gram
9
When insulin levels are elevated fat storage is
Enhanced
Increased fatty acid oxidation resulting in an abnormal increase in keatone bodies is
Keatosis
Chemical composition of protein differs from carbs or fat because of
Nitrogen
How does an indispensable amino acid differ from an essential amino acid?
Same
Example of a complete protein
Egg white
Organ considered the clearing house for most amino acids
Liver
To provide a protein sparing effect the athlete needs to consume efficient
Carbs and fats
Calories per gram of protein
4
Which type of athletes would likely use protein as an energy source
Marathon runner
Calories per gram of carbohydrates
4
80 blood glucose
Normal
Release of insulin results in the
Uptake of glucose in cells
Amino acids
Storage of glycogen
?
Conditions that favor glycogen storage
Fed state
Elevated blood insulin concentration
Glycogen depletion
Largest amount of glycogen is stored in
Skeletal muscles
How many chemical steps are required for rephosporaization of ATP by creating phosphate
One
Kilo calories and calories are
The same
Sedentary person largest influence on energy out is
Resting metabolism
Insulin
Beta sugar storage in Cell’s
Glucagon
Alpha glycogen sugar energy
Glucose stored as
Glycogen potential energy and carbs in the muscle and liver
Creatine produces
Energy stored in muscles 1 to 30 seconds
Exogenesis
Coming from outside of body two thirds of protein
Endogenous
Inside body one third of protein
Calories
2000 stored in the muscle
500 stored in the liver
Proteolysis
Breakdown of protein into amino acids when we put stress on body
Gluconeogenesis
Turns non carbs into glucose for energy
Mono unsaturated
1 double bond
Saturated
No double bond
Solid at room temperature
Polyunsaturated
More then 1 bond
Double hydrogen bond on same side
Cis
Opposite side at double bond
Trans
Fatty acid chain
4-24 carbons even numbers only
Glycolysis
Carbs > sugar
Glygenolysis
Glycogen > sugar
Glycogenesis
Sugar > glycogen
Gluconeogenesis
Non carbs > sugar
Carbohydrates
Carbon
Hydrogen
Oxygen
Stored in muscle and liver
Monosaccharides
Single cell sugar molecules
Glucose
Fructose
Galactose
Disaccharides
Sucrose glucose and fructose
Lactose glucose and galactose
Maltose glucose and glucose alcohol
Glycemic index
85 high
Gi • grams
Divided by 100
The hormone for stimulating the breakdown of something in liver
Glucogon
How long does it take to replete all depleted Creatine
1-2 minutes
Even under sever conditions protein metabolism makes up what percent of total expenditure
10%
Why are people unable to digest milk sugar
Lack lactase enzyme
Amino acids
Carbon oxygen and nitrogen
Structural protein
Keratin
Collagen
Storage proteins
Hemoglobin
Enzyme protein
Amylolytic
Immunoglobin
Protolytic
Hormonal protein
Insulin
Essential amino acids
Indispensable
Can’t produce need to get in food
Nonessential amino acids
Dispensable
Created in liver
How many essential amino acids
9
How many nonessential amino acids
11
Immunoglobulin
Antibodies
Deamination
Removal of an amino group
Transamination
Transfer of an amino group
Protein recommendations
.8 10%
10-15% endurance athletes
15-20% strength