Why do endurance athletes load up on carbohydrate-containing ...

[roselinechinyere27m]

Why do endurance athletes load up on carbohydrate-containing foods before a big event? Why don't they just fill up on fat and protein as well?

Question 2

One thing to consider when attempting to increase daily physical activity for health is to:
 a. begin slowly by only exercising one to two days a week.
 b. avoid vigorous exercise if you are elderly.
 c. begin by engaging in strength activities once or twice a month.
  d. seek a doctor's advice if you have a serious chronic illness.
  e. monitor your heart rate and stay well below your maximum.

[fauacakatahaias]

Answer to Question 1

Athletes eat carbohydrates to maximize the stored glycogen in their livers and muscles. Athletes' muscles use glucose from glycogen alongside fats throughout the duration of the activity. If the glycogen stores are depleted, the muscles will have difficulty using energy from fats or from any other source. Muscles can use protein for energy but it is metabolically costly to the body and does not supply glucose to the blood as efficiently as stored glycogen. Also, a severe depletion of glycogen can affect the nervous system, which can make the activity difficult to continue.

Answer to Question 2

d

[roselinechinyere27m]

Both answers were spot on, thank you once again

[fauacakatahaias]

Great! Please up vote