is the training heart rate index that allows for improvement in aerobic capacity with training since submaximal heart rate will change with conditioning.

The cooper test method

Explanation:

The Cooper test method is a 12-minute run fitness test developed by Kenneth Cooper, M.D., It is used to measure a ones aerobic fitness and provide an estimate of maximal oxygen uptake for military personnel, where the participants try and cover as much distance as they can. Also, the cooper test is used by coaches and trainers to determine cardiovascular fitness and track fitness over time by comparing one's cardiovascular endurance with others of his or her age and gender.

The cooper test method is the training heart rate index that allows for improvement in aerobic capacity with training since submaximal heart rate will change with conditioning.

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