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WorksheetsEnergy Systems
Total questions: 20
Worksheet time: 12mins
The ATP-PC energy system
utilises carbohydrates
needs the presence of oxygen
is used for endurance type activities
provides energy for up to about 10 secs of high intensity work
The Lactic Acid system
operates without oxygen
provides energy for about 10 seconds to 90 seconds
is used for high intensity exercise
all of the above
none of the above
The substance that accumulates in the muscle during sustained high intensity efforts is known as:
phosphate creatine
triglyceride
lactic acid
ATP
Which of the following fuels can be used to produce energy?
Carbohydrates
Proteins
Fats
all of the above
none of the above
The fuel source for the Lactic Acid System is:
Carbohydrates
Proteins
Fats
all of the above
none of the above
The energy system used for a particular activity will depend on the:
intensity of the activity
duration of the activity
both of the above
none of the above
The steady state indicates that the:
aerobic system is being used
anaerobic glycolysis system is being used
ATP-PC system is being used
anaerobic energy system is being used
Anaerobic threshold (Lactic Threshold) is defined as:
the physiological point during exercise at which lactic acid starts to accumulate in the muscles
the balance between oxygen demand and oxygen consumption
the maximum rate of oxygen consumption measured during exercise
the moment when the body is starved of oxygen
Anaerobic exercises require ______ whereas aerobic exercises require ______.
No energy, energy
Energy, no energy
Oxygen, no oxygen
No oxygen, oxygen
ATP stands for what?
Aerobic Tri-potassium
Adenosine Tri-phosphate
Adrenaline Twitch Protein
Anaerobic Triple Phosphate
Which of these defines the word 'predominantly'?
Taking place by itself / independently
Done or existing alone
Present as the strongest or main element
More important than anything else
Which of these defines the word 'replenish'?
Return to a normal state of mind or strength after a period of exertion
Resume (an activity) after an interruption
Use up (resources or reserves) completely
Restore (a stock or supply) to a former level or condition
What is the main function of the ATP - PC System during performance?
To contribute additional energy for a burst of higher intensity work
To assist in recovery
To meet any energy demands
To produce energy quickly
What is the main function of the Lactic Acid System during performance?
To contribute additional energy for a burst of higher intensity work
To assist in recovery
To meet any energy demands
To produce energy quickly
What is the main function of the Aerobic System during performance?
To contribute additional energy for a burst of higher intensity work
To assist in recovery
To meet any energy demands
To produce energy quickly
Which of these is the limiting factor of the Lactic Acid System?
Lactic acid
CP
Oxygen
ATP
Which of these is the limiting factor of the ATP-PC System?
Lactic acid
CP
Oxygen
ATP
The ATP - PC System usually lasts for how long?
0-10 seconds
10 seconds - 2 minutes
2 + minutes
1 hour +
The Anaerobic Glycolysis System usually lasts for how long?
0-10 seconds
10 seconds - 2 minutes
2 + minutes
1 hour +
The Aerobic System usually lasts for how long?
0-10 seconds
10 seconds - 2 minutes
2 + minutes
1 hour +
