Athletics and nutrition Flashcards

1
Q

Why are athletes often at the greatest risk for dehydration?

A

Athletes are many times at the greatest risks for dehydration because their thirst sensations tend to be blunted. This results in an inability to recognize the physiological need for water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Why should you drink before you feel thirsty?

A

Drink before you feel thirsty. Once you are thirsty, you’re already slightly dehydrated and your performance will be diminished.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

People excretes water each day through 3 methods:

A

urine, sweat and breathing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How much water does the average adult excrete each day?

A

The average adult excretes about 2 1/2 liters of water each day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How much water do most experts recommend for an average adult expending 2000 calories daily? (2000 is per day)

A

Most experts recommend that an average adult expending 2000 calories daily consume 7 to 11 cups of water per day.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How much can a 2-3% loss in body weight due to sweating reduce aerobic ability?

A

more than 10% Dehydration hiders your ability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What can a 5% or more loss in body weight due to sweating result in?

A

Heat stroke

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

How much liquid should be ingested and when? (In terms of exercise or any curricular activity that will get you tired)

A

Two hours prior to exercise, drink 2 cups of water, Juice diluted by half with water or a sports drink. Half an hour prior to exercise. 1 cup of sports drink or water. During exercise, most people can tolerate half a cup to 3/4 of a cup of beverage each 20 minutes. After exercise 2 cups of fluid per pound lost.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why should fruit juice be avoided prior to exercise?

A

Fruit juice should probably be avoided since it contains fructose, a sugar known to increase complaints of stomach upset.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What will happen if you say sports drinks are good on Mr. Fontana’s test?

A

You will die… . . . . . . . . . . . . . . . . . . . .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is one of the easiest and most proven ways to improve performance?

A

The easiest and one of the most proven ways to improve performance is by manipulating carbohydrate intake.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are stored carbs?

A

Stored carbohydrates are called glycogen and are used directly by the muscle which is being exercised. This is going to be on the test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the perfect fuel in high-intensity exercise? What is the problem with them?

A

Carbohydrates are the perfect fuel during exercise of high intensity, but they’re stored in extremely limited amounts in the body.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

recreational athletes probably need to obtain _________ of their daily calories from carbohydrates.

A

55 to 60%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

To have enough energy you need to consume enough ______

A

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

By eating adequate calories from a variety of foods, you will satisfy your need for:

A

micronutrients and macronutrients.

17
Q

What is the glycemic index?

A

Digestion rates.
The higher the glycemic index, the faster energy is released into the bloodstream.
The lower the glycemic index, the slower energy is released into the bloodstream.

18
Q

What types of meals are optimal for post-exercise refuelling when recovery time is short? (Glycemic index)

A

High glycemic index, high carbohydrate meals.

19
Q

What type of meals are optimal for pre-competition fueling? (Glycemic index)

A

Low glycemic index, high carbohydrate meals.

20
Q

What type of diet may benefit athletes trying to maintain a low level of body fat? (Glycemic index)

A

Low glycemic index diets.

21
Q

Why are Medjool Dates the ULTIMATE workout fuel? 5 reasons

A

They are the ultimate workout fuel because they:
are packed with slow-burning carbs.
Help prevent muscle cramps.
Help you recover faster.
Have a natural sweetener.
Are a super easy snack.

22
Q

How many grams of high glycemic index carbohydrates do you need per hour?

A

By consuming 30 to 75 grams per hour of high glycemic index carbohydrates in liquid or solid form when you exercise, you can minimize the loss of glycogen.

23
Q

The energy diet - Proteins:

A

Protein plays a minor role in energy production, contributing to only 5 to 10% of the energy used during prolonged exercise. The current recommended dietary allowance for protein is about 0.4G per pound of body weight, but active people need slightly more.

23
Q

The energy diet - fats:

A

Fat is an important energy source, particularly for athletes involved in prolonged low-intensity activity. About 20% of the calories in a performance-enhancing diet should come from fat. Most of it is unsaturated fat.

24
Q

Timing of Carbohydrates
During Exercise:

A

Carbohydrates should be in beverage form for quicker absorption and to minimize stomach upset.
Sports drinks with a concentration of 6-8% carbohydrates are ideal for easy absorption.

25
Q

Timing of Carbohydrates
Post-Exercise:

A

The best time to consume carbohydrates is immediately after a workout.
Muscles are most avid to restore the glycogen used during exercise at this time.
The goal is to consume at least 50 grams of carbohydrates shortly after exercise.

26
Q

What is Carbo-Loading?

A

Carbo-loading is the supersaturation of muscle cells with glycogen.

27
Q

When is Carbo-Loading Valuable?

A

It is valuable for events lasting at least 90 minutes, leading to exhaustion or near exhaustion.

28
Q

How is Carbo-Loading Implemented?

A

Exercise is cut by 50% every second day.
Four days before the event, the diet is increased to approximately 70% carbohydrate.