02c. Energy Systems - Aerobic Flashcards
What releases the energy for muscular contraction?
The high energy bond between the second and third phosphate in ATP breaking apart.
The high energy bond between the second and third phosphate in ATP breaking apart results in what?
Muscle contraction
What are carbohydrates stored as in the muscle?
glycogen
What are carbohydrates in the blood?
glucose
Where is glycogen found?
within muscle
Where is glucose found?
within the blood
What are fats stored as in the muscle?
triglycerides
What are fats in the blood?
free fatty acids
Where are free fatty acids found?
within the blood
Where are trigylcerides found?
within the muscle
What are proteins in the blood?
Amino acids
Where are amino acids found?
in the blood
What food fuel is contributing most significantly at rest?
Fats
When do fats contribute most significantly?
At rest or after carbohydrates have depleted (after 90mins of continuous activity)
What food fuel is contributing most significantly at sub max intensity?
Carbohydrates (CHO)
When do carbohydrates (CHO) contribute most significantly?
At sub max intensity
What is the rate of the aerobic system?
low
Which energy system has the lowest rate?
Aerobic system
What is aerobic training zone?
60-85%MHR
Which energy system is contributing most significantly at intensities 60- 85% MHR?
Aerobic system
What is the yield of the aerobic system?
high (30-32mmol)
Which energy system has the highest yield?
Aerobic system
What is pyruvic acid?
a by product of glycolysis
What is the by product of glycolysis?
pyruvic acid
What is the duration the ATP-CP system contributes most significantly for (after sufficient rest)
7-10 seconds
What is the duration the anaerobic glycolysis system contributes most significantly for
Until sufficient oxygen reaches muscles/H+ions inhibit contraction (approx 30 secs)
When does the aerobic energy system begin to contribute most significantly?
30 seconds +
Which energy system is contributing most significantly after 30 seconds?
Aerobic system
Which letter is most likely to represent the aerobic system contribution in 1min gymnastics beam routine?
A
Which letter is most likely to represent the aerobic systems contribution in the last 10 second sprint to the finish line of a 6km run?
C
Which letter is most likely to represent the aerobic systems contribution between sprints for a midfielder?
C
Which letter is most likely to represent the aerobic systems contribution in 8 x tuck jumps
B
Anaerobic systems contribute most significantly
