An athlete was required to complete five vertical jumps in 10 seconds. The results are shown in the table. | Attempt | 1 | 2 | 3 | 4 | 5 | |---------|----|----|----|----|----| | Height jumped (cm) | 70 | 70 | 66 | 64 | 60 | These results are consistent with which of the following statements? (A) The athlete’s ATP/PC stores have been depleted and there is insufficient recovery time between attempts. (B) The athlete’s glycogen stores have been used up after the second jump, and fatigue has set in. (C) The athlete’s level of aerobic endurance is low, and this has resulted in oxygen debt. (D) The athlete’s work at maximum effort has caused lactic acid build-up, and this has reduced performance.

SSCE HSC Personal Development and Physical Education Energy systems: An athlete was required to compl

An athlete was required to complete five vertical jumps in 10 seconds - HSC - SSCE Personal Development and Physical Education - Question 13 - 2001 - Paper 1

Question 13

An athlete was required to complete five vertical jumps in 10 seconds. The results are shown in the table. | Attempt | 1 | 2 | 3 | 4 | 5 | |---------|----|---... show full transcript

Worked Solution & Example Answer:An athlete was required to complete five vertical jumps in 10 seconds - HSC - SSCE Personal Development and Physical Education - Question 13 - 2001 - Paper 1

Step 1

A) The athlete’s ATP/PC stores have been depleted and there is insufficient recovery time between attempts.

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Answer

This statement is consistent with the data showing a decrease in jump height across attempts. ATP/PC stores deplete rapidly during high-intensity activities like vertical jumps, especially when recovery time is inadequate.

Step 2

B) The athlete’s glycogen stores have been used up after the second jump, and fatigue has set in.

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Answer

While fatigue could contribute to reduced performance, the initial drops in height are more indicative of immediate energy store depletion rather than glycogen stores, which take longer to exhaust during this type of activity.

Step 3

C) The athlete’s level of aerobic endurance is low, and this has resulted in oxygen debt.

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Answer

Aerobic endurance is less relevant to immediate vertical jumps, which primarily rely on anaerobic energy systems. Thus, this statement is not supported by the data in this context.

Step 4

D) The athlete’s work at maximum effort has caused lactic acid build-up, and this has reduced performance.

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Answer

This statement is plausible since high-intensity jumps may lead to lactic acid accumulation, resulting in decreased performance. The decreasing heights in jumps align with this explanation.

An athlete was required to complete five vertical jumps in 10 seconds - HSC - SSCE Personal Development and Physical Education - Question 13 - 2001 - Paper 1

Worked Solution & Example Answer:An athlete was required to complete five vertical jumps in 10 seconds - HSC - SSCE Personal Development and Physical Education - Question 13 - 2001 - Paper 1

A) The athlete’s ATP/PC stores have been depleted and there is insufficient recovery time between attempts.

B) The athlete’s glycogen stores have been used up after the second jump, and fatigue has set in.

C) The athlete’s level of aerobic endurance is low, and this has resulted in oxygen debt.

D) The athlete’s work at maximum effort has caused lactic acid build-up, and this has reduced performance.

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