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An athlete ran in the 100-metre final at an Olympic Games.
In the table below, identify the predominant energy system used by the athlete, and the features of that energy system. (3 marks)
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| Predominant energy system used by this athlete | |
| Source of fuel | |
| Energy system duration | |
| Cause of fatigue | |
| Rate of recovery |
| |
Predominant energy system used by this athlete | ATP-PCr system (Alactacid system) |
| Source of fuel | Creatine phosphate (CP) | |
| Energy system duration | 6-12 seconds | |
| Cause of fatigue | Depletion of creatine phosphate stores | |
| Rate of recovery | 2-3 minutes for complete recovery |
| |
Predominant energy system used by this athlete | ATP-PCr system (Alactacid system) |
| Source of fuel | Creatine phosphate (CP) | |
| Energy system duration | 6-12 seconds | |
| Cause of fatigue | Depletion of creatine phosphate stores | |
| Rate of recovery | 2-3 minutes for complete recovery |