02. Fuels

Question 1

What releases the energy for muscular contraction?

Answer 1

The high energy bond between the second and third phosphate in ATP breaking apart.

Question 2

The high energy bond between the second and third phosphate in ATP breaking apart results in what?

Answer 2

Muscle contraction

Question 3

What are carbohydrates stored as in the muscle?

Answer 3

glycogen

Question 4

What are carbohydrates in the blood?

Answer 4

glucose

Question 5

Where is glycogen found?

Answer 5

within muscle

Question 6

Where is glucose found?

Answer 6

within the blood

Question 7

What are fats stored as in the muscle?

Answer 7

trigylcerides

Question 8

What are fats in the blood?

Answer 8

Free fatty acids

Question 9

Where are free fatty acids found?

Answer 9

within the blood

Question 10

Where are trigylcerides found?

Answer 10

skeletal muscle

Question 11

What are proteins in the blood?

Answer 11

Amino acids

Question 12

What are proteins stored as in the muscle?

Answer 12

Amino acids/muscle

Question 13

Where are amino acids found?

Answer 13

in the blood and within the muscle

Question 14

What food fuel is contributing most significantly at rest?

Answer 14

Fats

Question 15

When do fats contribute most significantly?

Answer 15

At rest or after carbohydrates have depleted (after 90mins of continuous activity)

Question 16

What food fuel is contributing most significantly at sub max intensity?

Answer 16

Carbohydrates (CHO)

Question 17

When do carbohydrates (CHO) contribute most significantly?

Answer 17

At sub max intensity

Question 18

What are the three metabolic by products?

Answer 18

ADP, Pi, H+ions

Question 19

What happens to fats and CHO use as exercise intensity increases?

Answer 19

Fats decrease contribution and CHO increase contribution

Question 20

What is the yield of fats?

Answer 20

High

Question 21

What fuel, CP, CHO or fats, has the highest yield?

Answer 21

fats

Question 22

What fuel, CP, CHO or fats, has the lowest yield?

Answer 22

CP

Question 23

What fuel has the highest oxygen cost?

Answer 23

Fats

Question 24

Which fuels do not require oxygen to be broken down?

Answer 24

CP and CHO