Nutrition and physical activity Flashcards
How can protein be used to produce energy
Amino acids can be broken down to produce ATP when oxygen is present
When at rest what are the percentage sources of ATP
Glucose 10
Fatty acids 86
amino acids 4
When at moderate exercise what are the percentage sources of ATP
Glucose 48
Fatty acids 50
amino acids 2
When at high intensity exercise what are the percentage sources of ATP
Glucose 100
Fatty acids 0
amino acids 0
When can carbohydrates be used to produce ATP
In presence of oxygen (aerobic system) or with no oxygen (Lactate system)
How can you obtain ATP from fats
Only in presence of oxygen, Triglycerides break down into fatty acids and glycerol
What is the name of the process of burning fat
Lipolysis
What foods are used in the aerobic system to fuel activity
Fats and carbs
What foods are used to fuel activity using the lactate system
Carbs
When should you eat low GI food before a workout
About 1.5-2 hours before workout
When should you eat a high GI food before a workout
Just before
What can isotonic drinks be useful for
Delay onset fatigue, improve performance
What sort of carbs are recommended for a post exercise meal
High GI
What is base metabolic rate
The amount of calories the body burns while at rest
What are benefits of hydration
Lubrication, temperature, transport, chemical processes
