HMS, TIP 2023 HSC 17 MC

The following graph represents aerobic and anaerobic threshold training zones.

Which letter on the graph represents the minimum intensity for an athlete to train to produce a physiological improvement in performance?

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\(B\)

Show Worked Solution

B is correct: Position X represents the aerobic threshold, the minimum intensity required for physiological adaptations.

Other Options:

A is incorrect: Position W is below the aerobic threshold and won’t produce significant adaptations.
C is incorrect: Position Y is higher intensity than needed for minimum improvement.
D is incorrect: Position Z represents anaerobic threshold, beyond minimum requirement.

♦♦♦ Mean mark 36%.