Fuel sources

Question 1

Chemical fuel: Creatine phosphate

Answer 1

Chemical fuel containing a high energy phosphate bond for the rapid release of energy
Limited storage of CP within the muscles

Question 2

Food fuels: Carbohydrates

Answer 2

sugars and starches- Bread, pasta, fruit

The body’s preferred source of fuel under exercise conditions

Question 3

Key characteristics of good fuels of carbs

Answer 3

Digested to Glucose
Stored glycogen in the muscles and liver
Recommended intake: 55 to 60%

Question 4

Key characteristics of fats

Answer 4

Digested to free fatty acids
Stored as triglycerides- Adipose tissue
recommended intake: 25-30%

Question 5

Key characteristics of protein

Answer 5

Digested to amino acids (blood muscle)
Stored: excess converted fats
Recommended intake: 10-15%

Question 6

Pre event meals strategy

Answer 6

Strategy: high carbohydrates food that releases

Question 7

Fuel sources for physical activity at rest

Answer 7

Fats are primarily fuel sources as the demand for energy is quite low

Allows for glycogen sparing (save the glycogen for when we need it during exercises)

Question 8

Fuel sources for physical activity during maximal intensity activity

Answer 8

Carbohydrates are preferred food fuels during maximal intensity (note that CP is a chemical fuel)

The % of contribution of anaerobic and