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WorksheetsEnergy Systems
Total questions: 74
Worksheet time: 55mins
What are the three types of energy systems mentioned in the image?
Aerobic, Anaerobic, ATP-PC
Kinetic, Potential, Thermal
Mechanical, Chemical, Electrical
Solar, Wind, Hydro
Which energy system is associated with adenosine triphosphate-creatine phosphate (ATP-CP)?
Why is it important to revisit the characteristics of the three energy systems?
To understand their functions and improve performance
To ignore their impact on physical activities
To ensure they are not used in training
To avoid learning about energy systems
What are the two main types of energy systems involved in ATP production?
Which energy system operates without oxygen?
Anaerobic system
Aerobic system
Photosynthesis
Respiratory system
Which energy system operates with oxygen?
Aerobic system
Anaerobic system
Phosphagen system
Lactic acid system
What is ATP?
ATP (adenosine triphosphate) is a molecule that carries energy within cells.
ATP is a type of protein found in the blood.
ATP is a form of DNA found in the nucleus.
ATP is a type of carbohydrate used for structural support.
ATP is an energy-carrying molecule found in the cells of all living things. True or False?
True
False
What is the trade-off between rate and yield in energy systems?
Higher rate leads to lower yield
Higher rate leads to higher yield
Rate and yield are independent
Yield is always maximized regardless of rate
What type of fuel does the ATP-CP energy system use?
Glucose
Stored ATP and creatine phosphate
Fatty acids
Oxygen
What is the intensity level of the ATP-CP energy system?
Low
Moderate
Maximum efforts >95% max HR
Submaximal
What is the duration of the ATP-CP energy system?
Long duration
Short duration (fuel depleted after 10 secs)
Medium duration
Indefinite
What is the rate of resynthesis in the ATP-CP energy system?
Slow
Moderate
Very fast
None
The yield of the ATP-CP energy system is ______.
Low
Medium
High
Very High
What is the duration for which the ATP-CP system may provide enough energy for maximal effort?
List the sports for which the ATP-CP system is used.
Tennis
Basketball
Soccer
Swimming
What happens to PC stores as the intensity increases?
How long does it take for PC to be replenished after activity ceases?
What is the main advantage of the ATP-CP system?
What is released upon the splitting of the PC bond in the ATP-CP energy system?
Energy
Water
Carbon Dioxide
Oxygen
In the ATP-CP energy system, what does 'PC' stand for?
Phosphocreatine
Phosphate
Protein
Phospholipid
What are the fatigue/limiting factors in the ATP-CP energy system?
Fuel Depletion (ATP, PC)
Accumulation of metabolic by-products (Pi, ADP)
What is the role of passive recovery in the ATP-CP energy system?
30 secs 50% of PC replenished
3 mins 80-90% of PC replenished
Fill in the blank: Accumulation of Pi leads to a decrease in contractile force production and reduces the amount of ______ that can be released.
calcium
sodium
potassium
magnesium
What is the recovery time for 80-90% of PC supplies in the ATP-CP energy system?
30 seconds
1 minute
2 minutes
5 minutes
Which of the following can improve the rate of recovery in the ATP-CP energy system?
Supplements
Aerobic training
Both A and B
None of the above
What are the alternate names for the ATP-CP energy system?
Phosphocreatine system (PC), Creatine Phosphate system (CP), Phosphagen system, Anaerobic Alactic System.
Glycolytic system, Lactic Acid system, Aerobic system, Oxidative system.
Electron Transport Chain, Krebs Cycle, Citric Acid Cycle, Aerobic Respiration.
Mitochondrial system, Cellular Respiration system, Oxidative Phosphorylation, Aerobic Glycolysis.
What is the fuel source for the ATP-CP energy system?
Creatine Phosphate (CP).
Glucose.
Fatty Acids.
Amino Acids.
What intensity of activity is the ATP-CP energy system best suited to?
High intensity > 95% max HR.
Low intensity < 50% max HR.
Moderate intensity 50-70% max HR.
Endurance activities at 70-85% max HR.
What is the rate (speed) of ATP production in the ATP-CP energy system?
Very fast.
Moderate.
Slow.
Very slow.
What is the yield (amount of ATP per mole of fuel source) in the ATP-CP energy system?
Smallest (< 1 ATP).
Moderate (2-3 ATP).
High (4-5 ATP).
Very High (> 5 ATP).
What are the by-products of the ATP-CP energy system?
ADP and inorganic phosphates (Pi).
Lactic acid and water.
Carbon dioxide and water.
Glucose and oxygen.
What is the duration (total) of the ATP-CP energy system?
0–10 seconds.
10–20 seconds.
20–30 seconds.
30–40 seconds.
What is the duration for which the ATP-CP energy system is dominant?
1–5 seconds, Peaks at 2–4 seconds.
5–10 seconds, Peaks at 7–9 seconds.
10–15 seconds, Peaks at 12–14 seconds.
15–20 seconds, Peaks at 17–19 seconds.
What type of recovery is associated with the ATP-CP energy system?
Passive.
Active.
Static.
Dynamic.
What is the fatigue limiting factor for the ATP-CP energy system?
Depletion of Creatine Phosphate stores.
Accumulation of lactic acid.
Depletion of glycogen stores.
Insufficient oxygen supply.
Give an example of activities that use the ATP-CP energy system.
Athletics field events (discus, javelin, long jump), Sprinter.
Marathon running
Cycling for long distances
Swimming for endurance
What type of muscle fibre is associated with the ATP-CP energy system?
Type IIB Muscle fibres.
Type I Muscle fibres.
Type IIA Muscle fibres.
Type II Muscle fibres.
What are the disadvantages of the ATP-CP energy system?
Resynthesises very limited amount of ATP, Limited stores of ATP and PC in muscles.
Provides energy for long-duration activities, Requires oxygen to function, Slow rate of ATP production.
Produces lactic acid as a byproduct, Requires carbohydrates as fuel, Slow recovery time.
Efficient for endurance activities, High capacity for ATP production, Utilizes fat as a primary fuel source.
What are the advantages of the ATP-CP energy system?
Resynthesises ATP explosively/immediately, Doesn’t need long chemical reactions, Used for high intensity activities.
Requires oxygen to function, Suitable for endurance activities, Slow energy release.
Depends on fat as a primary fuel source, Best for low-intensity exercises, Long-lasting energy.
Involves complex chemical reactions, Needs carbohydrates, Produces lactic acid.
What is the primary fuel for the anaerobic glycolysis system?
Protein
Carbohydrate
Fat
Water
What is the intensity range for the anaerobic glycolysis system?
50 - 70% max HR
60 - 80% max HR
70 - 85% max HR
80 - 95% max HR
The anaerobic glycolysis system will take over as the predominant system when ATP-CP system fatigues. True or False?
True
False
What is the rate of resynthesis in the anaerobic glycolysis system?
Slow
Moderate
Fast
Very Fast
Fill in the blank: The yield of the anaerobic glycolysis system is Low-Medium – ___ ATP.
2
4
6
8
What is the predominant duration for events in the anaerobic glycolysis system?
1-5 seconds
5-10 seconds
10-60 seconds
60-120 seconds
The Lactic Acid (Anaerobic Glycolysis) System is used for:
producing energy quickly without oxygen
breaking down proteins
aiding in digestion
regulating body temperature
Which of the following activities is NOT typically associated with the Lactic Acid System?
400 m sprint
200 m swim
Marathon running
Repeated high intensity efforts during a continuous game
The Lactic Acid System provides ATP during submaximal activities by:
breaking down glucose without oxygen
using oxygen to break down fats
utilizing stored ATP in muscles
converting protein into energy
What is a by-product formed when oxygen is not present during the breakdown of glycogen?
Lactic acid
Carbon dioxide
Water
Oxygen
Hydrogen ions (H+) affect muscle pH and enzyme activity during anaerobic glycolysis by:
increasing pH and enhancing enzyme activity
decreasing pH and inhibiting enzyme activity
maintaining pH and stabilizing enzyme activity
having no effect on pH and enzyme activity
What percentage of lactate diffuses from the muscles and is transported back to the liver?
50%
60%
70%
80%
What are the fatigue/limiting factors in the lactic acid system?
Accumulation of lactic acid
Depletion of glycogen
Oxygen debt
All of the above
Which of the following is a type of recovery in the lactic acid system?
Passive Recovery
Active Recovery
Static Recovery
Dynamic Recovery
How long is required between events for optimal recovery in the lactic acid system?
30 seconds to 1 minute
1 to 2 minutes
3 to 5 minutes
5 to 10 minutes
What does the diagram illustrate about the lactic acid system?
The process of lactic acid fermentation
The role of lactic acid in muscle fatigue
The conversion of glucose to lactic acid
The energy yield of the lactic acid system
Which type of recovery is more effective in removing lactic acid according to the diagram?
Active recovery
Passive recovery
What is the fuel source for the Lactic Acid (Anaerobic Glycolysis) System?
Glucose
Glycogen
Fatty acids
Protein
The Lactic Acid (Anaerobic Glycolysis) System is best suited for activities with what intensity?
Low intensity
Moderate intensity
High intensity (> 85% max HR)
Any intensity
What is the rate (speed) of ATP produced in the Lactic Acid (Anaerobic Glycolysis) System?
Slow
Moderate
Fast
Very fast
Fill in the blank: The yield (amount of ATP per mole of fuel source) in the Lactic Acid (Anaerobic Glycolysis) System is ______.
What are the by-products of the Lactic Acid (Anaerobic Glycolysis) System?
Water and CO2
Lactic acid, H+ ions, ADP
Oxygen and glucose
ATP and creatine
Fill in the blank: The duration (total) of the Lactic Acid (Anaerobic Glycolysis) System is ______.
10 – 75 seconds
5 – 10 seconds
2 – 3 minutes
1 – 2 hours
What type of recovery is associated with the Lactic Acid (Anaerobic Glycolysis) System?
Active recovery
Passive recovery
Static recovery
Dynamic recovery
What is the fatigue limiting factor in the Lactic Acid (Anaerobic Glycolysis) System?
Accumulation of lactic acid
Depletion of glycogen stores
Insufficient oxygen supply
Build-up of carbon dioxide
Which of the following is an example of an activity that uses the Lactic Acid (Anaerobic Glycolysis) System?
Marathon running
400 m runner
Yoga
Walking
What type of muscle fibre is associated with the Lactic Acid (Anaerobic Glycolysis) System?
Type IIb (fast-twitch glycolytic)
Type I (slow-twitch oxidative)
Type IIa (fast-twitch oxidative)
Type III (intermediate-twitch)
Which of the following is a disadvantage of the Lactic Acid (Anaerobic Glycolysis) System?
Produces large amounts of ATP
Slow recovery
No fatigue
Fast recovery
What is an advantage of the Lactic Acid (Anaerobic Glycolysis) System?
Provides quick energy without the need for oxygen
Produces a large amount of ATP
Requires oxygen to function
Is the most efficient energy system
What is the primary fuel used in the aerobic system?
Protein
Carbohydrate + Fat
Glucose
Amino Acids
At what intensity does the aerobic system operate?
During high-intensity exercise
During rest and at sub-maximal intensities < 80% HR max
Only during sleep
At maximal intensities
Fill in the blank: The aerobic system has a ______ rate of resynthesis.
Slow
Fast
Moderate
Variable
What is the yield of ATP in the aerobic system?
Low (10-12 ATP)
Moderate (20-25 ATP)
Very High (36-38 ATP)
Extremely High (50-60 ATP)
Fill in the blank: The aerobic energy system will be the major energy contributor for events of more than 75 secs up to several hours in duration and are below ______ max HR, e.g., marathon.
80%
70%
60%
90%
