HMS, BM EQ-Bank 303

Explain how the 'Intensity' component of the FITT principle should be applied differently when designing training programs for ATP-PCr and aerobic energy systems. Provide examples to support your answer. (4 marks)

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Sample Answer

ATP-PCr system:

Requires very high intensity (90-100% maximum effort) to fully activate the phosphagen energy pathway
Example: A sprinter would train at maximum speed over short distances (10-30m) with full recovery

Aerobic system:

Requires moderate intensity (60-80% maximum heart rate) to develop cardiorespiratory endurance
Example: A marathon runner would train at a pace that allows sustained effort over longer distances (5-20km)

Intensity:

Intensity for ATP-PCr is measured through percentage of maximum velocity/power/strength
Intensity for aerobic is commonly measured through percentage of maximum heart rate or RPE
The different intensities reflect the specific energy system’s demands and recovery requirements

Show Worked Solution

Sample Answer

ATP-PCr system:

Requires very high intensity (90-100% maximum effort) to fully activate the phosphagen energy pathway
Example: A sprinter would train at maximum speed over short distances (10-30m) with full recovery

Aerobic system:

Requires moderate intensity (60-80% maximum heart rate) to develop cardiorespiratory endurance
Example: A marathon runner would train at a pace that allows sustained effort over longer distances (5-20km)

Intensity:

Intensity for ATP-PCr is measured through percentage of maximum velocity/power/strength
Intensity for aerobic is commonly measured through percentage of maximum heart rate or RPE
The different intensities reflect the specific energy system’s demands and recovery requirements