The optimal amount of protein to consume following exercise varies depending on a number of factors, including the characteristics of the exercise bout (i.e., leg-only vs. whole-body), the age of the individual, type of protein ingested and possibly the amount of muscle mass an individual possesses.
What is the purpose of sweating Chapter 10?
What is the purpose of sweating? e. As sweat evaporates it
cools the skin's surface and the blood flowing beneath it
.
What is the guideline for aerobic activity as defined by the Physical Activity Guidelines for Americans?
Meeting the aerobic component of the 2008 Physical Activity Guidelines for Americans is defined as reporting
at least 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity aerobic physical activity a week, or an equivalent combination
.
Why are carbohydrates so important for athletes?
Abstract. Although fats and protein contribute to energy demands of exercise, carbohydrate, principally glycogen,
is the preferred fuel for muscular activity
. Because of its limited storage, depletion of muscle glycogen has been shown to be one factor responsible for fatigue and exhaustion during prolonged exercise.
Why are carbohydrates important for athletes quizlet?
Carbohydrates:
serve as the primary energy source in the diet among athletes, particularly during times of intense training or exercise
. provide additional energy stores in the form of stored glycogen in the liver and muscles. help build the body's stamina and physical endurance.
Why is carbohydrate called carbohydrate?
They are called carbohydrates because,
at the chemical level, they contain carbon, hydrogen and oxygen
. There are three macronutrients: carbohydrates, protein and fats, Smathers said.
What are macro nutrients?
Carbohydrates, fat and protein
are called macronutrients. They are the nutrients you use in the largest amounts. “Macronutrients are the nutritive components of food that the body needs for energy and to maintain the body's structure and systems,” says MD Anderson Wellness Dietitian Lindsey Wohlford.
Which macronutrients are used during aerobic versus anaerobic exercise?
Anaerobic metabolism uses glucose as its only source of fuel and produces pyruvate and lactic acid. Pyruvate can then be used as fuel for aerobic metabolism. Aerobic metabolism takes place in mitochondria of the cell and is able to use
carbohydrates, protein, or fat
as fuel sources.
What is sweat made of?
Sweat is a liquid made from
99% water and 1% salt and fat
. Up to a quart of sweat evaporates each day. When your body becomes overheated, you sweat more. The evaporation of sweat from your skin cools your body down.
How does the body deal with excess energy from a meal containing carbohydrate fat and protein?
How does the body deal with excess energy from a meal containing carbohydrate, fat, and protein?
Some proportion of carbohydrate is stored as glycogen and the rest, along with the excess fat, is stored as fat in adipose cells. Excess protein is excreted
. Which of the following foods has the highest energy density?
What are the components of fitness quizlet?
Cardiovascular fitness, muscular endurance, muscular strength, flexibility and body composition
.
What is physical fitness and health?
Physical fitness
involves the performance of the heart and lungs, and the muscles of the body
. And, since what we do with our bodies also affects what we can do with our minds, fitness influences to some degree qualities such as mental alertness and emotional stability.
What counts physical activity?
Physical activity can be defined as
any movement of the body that requires energy expenditure
. This includes any motion you do through the day excluding sitting still or lying down. For example, walking to class, taking the stairs, mowing the lawn, and even cleaning your house can be considered physical activity.
What is the FITT principle in physical fitness?
The FITT principles are
an exercise prescription to help participants understand how long and how hard they should exercise
. FITT is acronym that stands for Frequency, Intensity, Time, and Type. FITT can be applied to exercise in general or specific components of exercise.
What does protein do for athletes?
Protein plays an important role in an athlete's eating plan as it
helps repair and strengthen muscle tissue
. High protein diets are popular among athletes — especially those seeking a leaner, more defined physique.
What athletes need carbohydrates?
Carbohydrates fuel the brain and muscles.
Carbs act for our body as fuel acts for your car. As with a car, we have limited stores of carbs in our bodies, and since they help to sustain you through workouts or sports,
it is important to consume adequate carbs through your training
.
What is a healthy source of carbohydrates?
The healthiest sources of carbohydrates—
unprocessed or minimally processed whole grains, vegetables, fruits and beans
—promote good health by delivering vitamins, minerals, fiber, and a host of important phytonutrients.
What micronutrient is of concern for someone following the Paleo diet?
The typical paleo diet, however, puts most at risk for deficiencies in
calcium and vitamin D
, which are critical to bone health.
How does the body use carbohydrates quizlet?
The primary function of carbohydrates is to
provide energy for the body, especially the brain and the nervous system
.
What do carbohydrates do for us quizlet?
Carbohydrates are the body's ideal fuel for most functions. It
gives glucose to fuel our cells
. They supply the body with the energy needed for the muscles, brain and central nervous system.
What is the molecular composition of carbohydrates?
A carbohydrate is a naturally occurring compound, or a derivative of such a compound, with the general chemical formula
C
x
(H
2
O)
y
, made up of molecules of carbon (C), hydrogen (H), and oxygen (O). Carbohydrates are the most widespread organic substances and play a vital role in all life.
What are carbohydrates composed of?
Carbohydrates are composed of
carbon, hydrogen, and oxygen
and have a general formula that approximates CH
2
O. They are polyhydroxy aldehydes or ketones or form polyhydroxy aldehydes or ketones when hydrolyzed. Carbohydrates occur as monosaccharides, disaccharides, oligosaccharides, and polysaccharides.
What is carbohydrates chemical formula?
Carbohydrates have the general molecular formula
CH2O
, and thus were once thought to represent “hydrated carbon”. However, the arrangement of atoms in carbohydrates has little to do with water molecules. Starch and cellulose are two common carbohydrates.
What is protein macronutrient?
Protein is a macronutrient that is
essential to building muscle mass
. It is commonly found in animal products, though is also present in other sources, such as nuts and legumes. The word protein comes from the Greek “protos,” which “reflects protein's top- shelf status in human nutrition,” Harvard Health reported.
What is macro and micro nutrient?
Macronutrients are the nutrients your body needs in larger amounts, namely carbohydrates, protein, and fat
. These provide your body with energy, or calories. Micronutrients are the nutrients your body needs in smaller amounts, which are commonly referred to as vitamins and minerals.
What are macronutrients and why are they called macronutrients?
Macronutrients are
nutrients that provide calories or energy and are required in large amounts to maintain body functions and carry out the activities of daily life
. Macronutrients are nutrition categories, such as carbohydrates, fats, and proteins.
