Athletics and nutrition Flashcards
Why are athletes often at the greatest risk for dehydration?
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.
Why should you drink before you feel thirsty?
Drink before you feel thirsty. Once you are thirsty, you’re already slightly dehydrated and your performance will be diminished.
People excretes water each day through 3 methods:
urine, sweat and breathing.
How much water does the average adult excrete each day?
The average adult excretes about 2 1/2 liters of water each day
How much water do most experts recommend for an average adult expending 2000 calories daily? (2000 is per day)
Most experts recommend that an average adult expending 2000 calories daily consume 7 to 11 cups of water per day.
How much can a 2-3% loss in body weight due to sweating reduce aerobic ability?
more than 10% Dehydration hiders your ability
What can a 5% or more loss in body weight due to sweating result in?
Heat stroke
How much liquid should be ingested and when? (In terms of exercise or any curricular activity that will get you tired)
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.
Why should fruit juice be avoided prior to exercise?
Fruit juice should probably be avoided since it contains fructose, a sugar known to increase complaints of stomach upset.
What will happen if you say sports drinks are good on Mr. Fontana’s test?
You will die… . . . . . . . . . . . . . . . . . . . .
What is one of the easiest and most proven ways to improve performance?
The easiest and one of the most proven ways to improve performance is by manipulating carbohydrate intake.
What are stored carbs?
Stored carbohydrates are called glycogen and are used directly by the muscle which is being exercised. This is going to be on the test
What is the perfect fuel in high-intensity exercise? What is the problem with them?
Carbohydrates are the perfect fuel during exercise of high intensity, but they’re stored in extremely limited amounts in the body.
recreational athletes probably need to obtain _________ of their daily calories from carbohydrates.
55 to 60%
To have enough energy you need to consume enough ______
Energy