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196 Cards in this Set
- Front
- Back
- 3rd side (hint)
Complete protein food sources : |
Back (Definition) |
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It is important that personal trainers have a good network of qualified |
Healthcare professionals (physicians, dietitians, eating disorder specialist, etc.) |
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Integration of nutritional strategies with exercise will help clients |
Achieve their desired outcomes. |
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The professional, legally qualified to practice in the field of nutrition, is a |
Registered dietitian (RD) |
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Registered dietitian (RD) are |
Specialized food & nutrition experts with extensive training who meet specified criteria. |
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RDs received their degrees at an accredited college university with coursework approved by who? |
Commission on accreditation for Dietetics education (CADE) |
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How long does it take an RD to complete a CADE accredited program? |
6-12 months |
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After completing the supervised practice program, what must candidates pass to receive their RD credential? |
The national examination. |
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In order to maintain an active RD credential individuals must complete what? |
Continuing education requirements. |
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Educational and professional requirements for the RD : |
Back (Definition) |
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What is the practice of nutrition called? |
Dietetics |
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What is dietetics governed by? |
National credentialing programs State licensing laws |
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Currently, how many states have specific laws that explicitly defined the scope of practice for nutrition and dietetics professionals? Performing these duties without a license could be what? |
46 states Illegal |
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Some healthcare professionals are protected regarding state laws & regulations for making nutrition recommendations, why? |
Because they are licensed by the state as a nurse or a physician. |
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Examples of nutrition topics of discussion for fitness professionals : |
Back (Definition) |
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By 2015, public health experts expect that what percentage of all US adults will be either overweight or obese? |
75% |
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Eat fewer calories there expended & there will be |
A reduction in weight. |
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Consume more calories than expended & there will be |
An increase weight. |
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The environment we live in today profile is a constant supply of ___ food while promoting a ___ lifestyle, which when viewed collectively, have played a significant role in the rising ___ rates in the US. |
Palatable (increasing energy intake) Sedentary (reducing energy expenditure) Obesity |
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calorie (lowercase c) |
The amount of heat energy required to raise the temp of 1g of water 1°C. |
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Calorie (Upper case C) Kilocalorie (kcal) |
The unit expression of energy equal to 1000 cal. The amount of heat energy required to raise the temperature of 1 kg/1 liter of water 1°C. |
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Estimated total energy expenditure (TEE) Total daily energy expert denture (TDEE) |
The amount of energy (calories) spent, on average, in it typical day. |
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TEE is actually the total sum of what 3 different energy components? |
Resting metabolic rate (RMR) Thermic effect of food (TEF) Energy expended during activity |
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TEE sum : |
Back (Definition) |
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Resting metabolic rate (RMR) |
The amount of energy expended while at rest The minimal amount of energy required to sustain vital bodily functions (blood circulation, respiration, temp regulation) RMR accounts for ~70% of TEE |
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Thermic effect of food (TEF) |
The amount of energy expended above RMR as a result of processing food (digestion) for storage use. TEF accounts for ~6-10% of TEE |
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Energy expended during physical activity |
The amount of energy expended above RMR & TEF associated with physical activity (PA). PA accounts for ~ 20% of TEE |
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RMR can be affected by a wide variety of factors, including what? |
Age Sex Genetics Hormonal changes Body size Body comp Temperature Altitude Illness Medication Food/caffeine intake Cigarette smoking |
There are 12 |
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What are constant factors that cannot be altered? |
Age Sex Genetics |
There are 3 |
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Exercise is said to have a positive effect on RMR indirectly if fat free mass (FFM) |
Is increased or decreased. |
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What are factors that temporarily alter RMR? |
Hormonal changes Exercise Environmental temperature Altitude Caffeine intake Cigarette smoking |
There are 6 |
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Hormonal changes can do what to RMR? |
Increase or decrease |
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Thyroid hormones influence many metabolic functions throughout the body, including |
Fat and carbohydrate metabolism and growth, having a constant effect on energy expenditure, effecting every cell in the body. |
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High concentrations of thyroid hormones 10 to cause an ___, whereas lower than normal levels tend to cause ___. |
Increase in RMR Decrease in RMR |
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According to the American Association of clinical endocrinologist (AACE) how many Americans have thyroid related disorders? How many are undiagnosed? |
27 million More than half |
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What endocrine disorder is the seventh leading case of death in the US? |
Diabetes |
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Resting metabolic rate (RMR) is measured after |
The subject spends the night at home & is driven to the research laboratory for measurement. |
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10% |
10% |
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When food is consumed it is mechanically digested & moved through ___. Nutrients are transported from the ___, and then distributed ___. |
The digestive tract Gut to the blood Throughout the body. |
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The thermic effect of food (TEF) is the |
Increase in energy expenditure after the meal. |
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The thermic effect of food (TEF) compromises approximately what percent of total energy expenditure depending on the frequency & energy content of the meal? |
6% to 10% |
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Any physical activity requires ___ above ___. |
Energy expenditure Resting metabolism |
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Physical activity can account for what percent of an individual‘s TEE? |
20% or more |
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The following is an example of a simplified TEE calculation : |
Back (Definition) |
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Physical activity factors for various levels of activity for adults average size 19 years or older : |
Back (Definition) |
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The most commonly used formulas can have how much of a variance in overestimating/underestimating resting metabolism & TEE? |
20% variance |
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Certain cardiovascular medications can reduce armor from 4% to |
12% |
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Proper weight management for most individuals should include what? |
Weekly/monthly Weigh-ins or body comp assessment. |
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Chemotherapy medication can reduce RMR from 6% to |
11% |
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Long term use of human growth hormone has been shown to increase RMR to |
12% |
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Thyroid medication is used in hypothyroidism and increase RMR as much as |
17% |
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Be aware of any long-term medications your client may be taking potentially affect their |
Metabolic rate |
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Regarding the effect of exercise on RMR, several studies have demonstrated the following : |
Back (Definition) |
There are 3 |
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To avoid declines and resting metabolism individuals should be encouraged to avoid ___ and instead be encouraged to ___. |
Starvation diets leading to waste of skeletal muscle Build and maintain massage for active living. |
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Maintaining muscle mass is particularly important during aging, why? |
Because some of the decline in RMR is associated with age is caused by a decline of muscle. |
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Basal metabolic rate (BMR) |
Measurements are taken after the subject has spent the night in the metabolic ward/chamber & has fasted for 12 hours. |
Measurements are taken after the subject has spent the night in a metabolic ward/chamber & has fast for 12 hours. |
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What endocrine disorder is the seventh leading case of death in the US? |
Diabetes |
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Resting metabolic rate (RMR) is measured after |
The subject spends the night at home & is driven to the research laboratory for measurement. |
|
|
10% |
10% |
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When food is consumed it is mechanically digested & moved through ___. Nutrients are transported from the ___, and then distributed ___. |
The digestive tract Gut to the blood Throughout the body. |
|
|
The thermic effect of food (TEF) is the |
Increase in energy expenditure after the meal. |
|
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The thermic effect of food (TEF) compromises approximately what percent of total energy expenditure depending on the frequency & energy content of the meal? |
6% to 10% |
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Regarding the effect of exercise on RMR, several studies have demonstrated the following : |
Back (Definition) |
There are 3 |
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Physical activity can account for what percent of an individual‘s TEE? |
20% or more |
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The following is an example of a simplified TEE calculation : |
Back (Definition) |
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Physical activity factors for various levels of activity for adults average size 19 years or older : |
Back (Definition) |
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The most commonly used formulas can have how much of a variance in overestimating/underestimating resting metabolism & TEE? |
20% variance |
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|
Certain cardiovascular medications can reduce armor from 4% to |
12% |
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Proper weight management for most individuals should include what? |
Weekly/monthly Weigh-ins or body comp assessment. |
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Protein |
Amino acids linked by peptide bonds. |
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What is the primary function of proteins? |
To repair & build body tissues & structures. |
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Proteins are involved in what type of regulatory peptides? |
The synthesis of hormones & enzymes. |
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Proteins can be used for energy if what isn’t sufficient in the diet? |
Carbohydrates Calories |
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The following is an example of a simplified TEE calculation : |
Back (Definition) |
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Physical activity factors for various levels of activity for adults average size 19 years or older : |
Back (Definition) |
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What are the 2 general classes of amino acids? |
Essential Nonessential |
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Essential amino acids |
Cannot be manufactured in the body or in insufficient amounts. |
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Essential amino acids must be obtained from what? |
Food supply or some other Exogenous source. |
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Chemotherapy medication can reduce RMR from 6% to |
11% |
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How many essential amino acids are there? |
8 |
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Nonessential amino acids |
Can be manufactured in the body from dietary nitrogen & fragments of carbohydrates & fats. |
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What are considered semi essential amino acids? Why? |
Arginine Histidine Because of the rate of synthesis within the body. |
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Arginine & histidine cannot be manufactured by the body at a rate that |
Will support growth (especially in children) |
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Before proteins can be used by the body they must first be |
Broken down into the constituent amino acids. |
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The fate of the amino acids after digestion & absorption by the intestines depends on what? |
The bodies homeostatic needs, (tissue replacement/tissue addition, need for energy) |
Need |
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Protein digestion, absorption, & endogenous synthesis : |
Back (Definition) |
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As ingested proteins enter the stomach, they encounter what? What does it do? |
Hydrochloric acid (HC1) It uncoils (denatures) The proteins so digestive enzymes can begin dismantling the peptide bonds. |
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What is the enzyme pepsin’s job? |
To cleave the protein strands into smaller polypeptides (strands of several amino acids) & single amino acids. |
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As these protein fragments leave the stomach & enter the small intestine, what happens? |
Pancreatic & intestinal proteases (protein enzymes) continue to dismantle the protein fragments. |
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Long term use of human growth hormone has been shown to increase RMR to |
12% |
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The resulting dipeptides, tripeptides, and single amino acids are then absorbed through the |
Intestinal wall into the enterocytes, released into the body supply to the liver. |
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Once into the bloodstream, the freeform amino acids have several fates, what are they? |
Used for protein synthesis (building/repairing tissues/structures) Immediate energy Potential energy (fat storage) |
There are 3 |
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Protein digestion, absorption, & endogenous synthesis : |
Back (Definition) |
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The brain and nervous system have a constant need for what? |
Glucose |
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If carbohydrate or total energy intake is too low, the body has the ability to use what? |
Amino acids (from dietary or body proteins) to provide energy. |
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The amino acids are first ___, allowing the remaining carbon skeleton to be used for the production of ___. |
Deaminated (stripped of the Amine group) Glucose or ketones to be used for energy. |
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The removed amine group produces ___, which is then converted to the ___. |
Ammonia, A toxic compound Urea in the liver, excreted as urine by the kidneys. |
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If protein intake exceeds the need for synthesis in energy needs are met, what happens? |
The amino acids from the dietary protein are deaminated, & their carbon fragments may be stored as fat. |
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Amino acid absorption : gut to blood : |
Back (Definition) |
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What supplies us with the valuable building blocks of proteins we need? |
Meats Fruits Vegetables Grains Dairy products Supplements |
There are 6 |
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Thyroid medication is used in hypothyroidism and increase RMR as much as |
17% |
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Complete protein |
When a food provides all the essential amino acids in appropriate ratios. |
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Incomplete proteins |
When a food is lacking in 1 or more essential amino acids. |
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Limiting factor |
The essential amino acid that is missing/present in the smallest amount of that protein. |
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All amino acids must be present at the site of protein manufacture. If not synthesis will be |
Reduced to the point at which the cell runs out of the limiting amino acid. |
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The process of protein synthesis works on what principle? |
All or none. |
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The ability of a proteins to satisfy these essential amino acid requirements can be quantified in several ways, terms used to write dietary protein include : |
Protein efficiency ratio (PER) Net protein utilization (NPU) Biologic value (BV) |
There are 3 |
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Biologic value (BV) |
A measure of protein quality/how well it satisfies the body’s essential amino acid. |
Frequently used when discussing protein sources in popular media & supplement manufacturers. |
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Protein sources with a higher score provides an amino acid profile that is more closely related to what? |
The needs of the human body. |
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Those who consume protein above requirements ___, instead their amino acid requirement would be met ___. |
Will not unleash an untapped muscle building capacity With less protein. |
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Individuals choosing a diet composed of mostly lower BV protein sources will require |
An increase in total protein requirements. |
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Be aware of any long-term medications your client may be taking potentially affect their |
Metabolic rate |
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Adaptation phase protein requirements : endurance athlete, bodybuilder, recreational athlete : |
Back (Definition) |
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Regarding the effect of exercise on RMR, several studies have demonstrated the following : |
Back (Definition) |
There are 3 |
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To avoid declines and resting metabolism individuals should be encouraged to avoid ___ and instead be encouraged to ___. |
Starvation diets leading to waste of skeletal muscle Build and maintain massage for active living. |
|
|
Maintaining muscle mass is particularly important during aging, why? |
Because some of the decline in RMR is associated with age is caused by a decline of muscle. |
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Adaptation phase protein requirements : endurance athlete, bodybuilder, recreational athlete : |
Back (Definition) |
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What are the major sources of complete proteins? |
Animal sources : dairy & meats |
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Energy needs may no longer be satisfied by ___ & ___ as ___ is reduced. This is when ___ used to provide energy. |
Carbohydrate & fat Total caloric intake Protein |
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Complete protein food sources : |
Back (Definition) |
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For clients pursuing body fat reduction, body fat loss goals require that a caloric deficit |
Be maintained until the goal is reached. |
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Gluconeogenesis |
Amino acids used to assist in energy production during a negative energy balance. |
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Gluconeogenesis increases during |
Anaerobic or aerobic exercise (they deplete glycogen). |
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The increase in glue piano genesis is supported by the release of |
Branched chain & other amino acids from structural proteins to maintain glucose homeostasis during exercise. |
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A hypo caloric diet establishes ___ stores, & when this is combined with increase glycogen demand during exercise, protein’s ___. |
Less than optimal glycogen stores Energy utilization is increased. |
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The amount of lean body mass lost in person with a negative energy balance can be reduced by |
Increasing the amount of protein in the diet, leading to a more rapid return to nitrogen balance. |
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An increase in protein utilization during a hypo calorie diet will produce effects that can be |
Exacerbated by exercise. |
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Bodybuilder storing positive energy balance (off season) should follow the same protein recommendations as |
Strength athletes. |
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What are the sources of incomplete proteins? |
Grains Nuts Legumes Seeds Other vegetables |
there are 4 + other |
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Protein requirements may dramatically increase for bodybuilders during |
Negative energy balance (used to create competition level body fat percentages). |
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In order to reach competitive body fat levels, bodybuilders lower ___ while ___ is increased. |
Calorie intake (continually) Exercise (cardiorespiratory, weight training, & posing) |
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Competitive levels of body fat are generally |
Unhealthy & impossible to maintain for prolonged periods. |
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In the final weeks before competition (bodybuilding), what intake may have to be increased? The body must have the option to use available food for what? |
Protein intake. Energy or muscle support |
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What are the only dispensable calories during an on season of bodybuilding? |
Dietary carbohydrate or fat. |
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It is normal to see bodybuilding clients consuming the majority of the calories from what in the final weeks before competition? |
Protein |
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Bodybuilder’s returns to normal eating habits enables what? |
Greater muscle gains than would be achieved by maintaining a high protein intake year round. |
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A carbohydrate of 1g/kg or .5 g/lb , Not proteins, consumed within an hour after heavy resistance training inhibits |
Muscle protein breakdown, positive protein balance. |
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What are the main sources of incomplete proteins? |
Barley Cornmeal Oats Buckwheat Lentils Pumpkin seeds Soy products Sesame seeds Sunflower seeds Walnuts Peanuts Cashews Pasta Rye Wheat Beans Dried peas Chickpeas Other nuts |
there are 18 + other |
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Incomplete proteins can be combined to make |
Available all of the essential amino acids, forming a complete protein. |
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Protein quality improves when |
A small amount of complete proteins like a dairy food is combined with plant-based foods. Incomplete proteins from plant-based foods such as rice & beans are mixed together. |
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There are several factors that affect protein requirements, what are they? |
An individuals daily exercise/physical activity levels Daily caloric consumption Body composition goals Sports-performance goals |
There are 3 |
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What types of exercise can affect protein requirements? |
Anaerobic & aerobic exercise. |
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Exercise increases ___ as well as the rate of ___ in ___ during recovery. |
The oxidation of amino acids Protein turnover Lean body mass. |
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Because different types of exercise has specific effects, an individual participating in both types of exercise may have what? |
A need for proteins greater than someone involved in only 1. |
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Protein requirements will increase as |
Total energy Intake decreases. |
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What are the major sources of complete proteins? |
Animal sources : dairy & meats |
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Energy needs may no longer be satisfied by ___ & ___ as ___ is reduced. This is when ___ used to provide energy. |
Carbohydrate & fat Total caloric intake Protein |
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Complete protein food sources : |
Back (Definition) |
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For clients pursuing body fat reduction, body fat loss goals require that a caloric deficit |
Be maintained until the goal is reached. |
|
|
Gluconeogenesis |
Amino acids used to assist in energy production during a negative energy balance. |
|
|
Gluconeogenesis increases during |
Anaerobic or aerobic exercise (they deplete glycogen). |
|
|
The increase in glue piano genesis is supported by the release of |
Branched chain & other amino acids from structural proteins to maintain glucose homeostasis during exercise. |
|
|
A hypo caloric diet establishes ___ stores, & when this is combined with increase glycogen demand during exercise, protein’s ___. |
Less than optimal glycogen stores Energy utilization is increased. |
|
|
The amount of lean body mass lost in person with a negative energy balance can be reduced by |
Increasing the amount of protein in the diet, leading to a more rapid return to nitrogen balance. |
|
|
An increase in protein utilization during a hypo calorie diet will produce effects that can be |
Exacerbated by exercise. |
|
|
Bodybuilder storing positive energy balance (off season) should follow the same protein recommendations as |
Strength athletes. |
|
|
Complete protein food sources : |
Back (Definition) |
|
|
Protein requirements may dramatically increase for bodybuilders during |
Negative energy balance (used to create competition level body fat percentages). |
|
|
In order to reach competitive body fat levels, bodybuilders lower ___ while ___ is increased. |
Calorie intake (continually) Exercise (cardiorespiratory, weight training, & posing) |
|
|
Competitive levels of body fat are generally |
Unhealthy & impossible to maintain for prolonged periods. |
|
|
In the final weeks before competition (bodybuilding), what intake may have to be increased? The body must have the option to use available food for what? |
Protein intake. Energy or muscle support |
|
|
What are the only dispensable calories during an on season of bodybuilding? |
Dietary carbohydrate or fat. |
|
|
It is normal to see bodybuilding clients consuming the majority of the calories from what in the final weeks before competition? |
Protein |
|
|
Bodybuilder’s returns to normal eating habits enables what? |
Greater muscle gains than would be achieved by maintaining a high protein intake year round. |
|
|
A carbohydrate of 1g/kg or .5 g/lb , Not proteins, consumed within an hour after heavy resistance training inhibits |
Muscle protein breakdown, positive protein balance. |
|
|
How much protein is required to build muscle? |
Back (Definition) |
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Protein intake may be adjusted to aid in |
Satiety (the feeling of fullness). |
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What are the main sources of incomplete proteins? |
Barley Cornmeal Oats Buckwheat Lentils Pumpkin seeds Soy products Sesame seeds Sunflower seeds Walnuts Peanuts Cashews Pasta Rye Wheat Beans Dried peas Chickpeas Other nuts |
there are 18 + other |
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What may be more Satiating than fat & carbohydrate? |
Protein |
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Protein activates what specific mechanisms? Why? |
Satiety Because protein induced suppression of food intake in humans/animals is greater than its energy content alone. |
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Why might individuals seeking fat loss benefit from satiating properties of protein? |
Because they’ll feel full and energized throughout the day. |
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The recommended dietary allowance (RDA) for protein is |
.8 g/kg per day |
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What is the acceptable macronutrient distribution range for protein intake for adults? |
10%-35% of caloric intake |
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How much protein is required to build muscle? |
Back (Definition) |
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Recommended protein intake : |
Back (Definition) |
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A high-protein diet is typically defined as one that consist of more than |
30% of total caloric intake from proteins, or 3X the protein RDA for athletes. |
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Chronic consumption of a high-protein diet is generally associated with a higher intake a ___ & ___ intake, both which are a risk factors for ___. |
Saturated fat Low fiber Heart disease & some cancers. |
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Be cautious when recommending high protein intake to people with the history of what problems? Why? |
Kidney problems (renal insufficiency, kidney stones) Because the kidneys are required to work harder to eliminate the increased urea produced. |
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Incomplete proteins can be combined to make |
Available all of the essential amino acids, forming a complete protein. |
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The increase in intestinal calcium absorption in those on a high protein diet likely accounts for |
A majority of observed increases in calcium. |
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There is a need for a greater consumption of what when consuming large quantities of protein? How much more? |
Fluids (water) ~7X The water for metabolism than carbohydrate or fat. |
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Recommended protein intake : |
Back (Definition) |
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What is the main concern of high protein diet? |
Dehydration. |
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Because dehydration of as little as 3% can impair performance, athletes & active individuals ingesting extra proteins to do what? |
Weigh themselves regularly to ensure they are properly hydrated. |
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1 g of protein yields how many calories? |
4 cal |
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Amino acids from protein are used by the body for the following : |
Back (Definition) |
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|
Protein quality improves when |
A small amount of complete proteins like a dairy food is combined with plant-based foods. Incomplete proteins from plant-based foods such as rice & beans are mixed together. |
|
|
There are several factors that affect protein requirements, what are they? |
An individuals daily exercise/physical activity levels Daily caloric consumption Body composition goals Sports-performance goals |
There are 3 |
|
What types of exercise can affect protein requirements? |
Anaerobic & aerobic exercise. |
|
|
Exercise increases ___ as well as the rate of ___ in ___ during recovery. |
The oxidation of amino acids Protein turnover Lean body mass. |
|
|
Because different types of exercise has specific effects, an individual participating in both types of exercise may have what? |
A need for proteins greater than someone involved in only 1. |
|
|
Amino acids from protein are used by the body for the following : |
Back (Definition) |
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Amino acids are not used to build proteins under the following conditions : |
Back (Definition) |
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The following conditions are necessary for the body to synthesize Endogenous protein : |
Back (Definition) |
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Recommended protein intake for athletes & exercisers : |
Back (Definition) |
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Chronic high protein intake (greater than 3X m the RDA) diets can lead to : |
Back (Definition) |
|