Photo AI
Justify whether carbohydrate loading could improve performance for an athlete competing in a 100-metre running race. - HSC - SSCE Personal Development and Physical Education - Question 22 - 2019 - Paper 1
Question 22
Justify whether carbohydrate loading could improve performance for an athlete competing in a 100-metre running race.
Worked Solution & Example Answer:Justify whether carbohydrate loading could improve performance for an athlete competing in a 100-metre running race. - HSC - SSCE Personal Development and Physical Education - Question 22 - 2019 - Paper 1
Step 1
Argument for Carbohydrate Loading's Ineffectiveness
Answer
Carbohydrate loading is primarily beneficial for endurance events lasting longer than 90 minutes, where it helps in maximizing glycogen stores. In the case of a 100-metre running race, which typically lasts less than 15 seconds, the energy demand is primarily met through the anaerobic energy systems, such as the phosphagen system. Carbonhydrates are not immediately available for use during such a short burst of effort, rendering carbohydrate loading ineffective for this type of performance.
Step 2
Reasons Against Carbohydrate Loading for Short-Distance Events
Answer
-
Limited Timeframe: The duration of a 100-metre race does not allow adequate time for the benefits of carbohydrate loading to take effect.
-
Energy Systems Utilized: The primary fuel source during a 100-metre sprint is ATP (adenosine triphosphate) and creatine phosphate, which are stored in the muscles rather than derived from carbohydrates consumed prior to the event.
-
Risk of Gastrointestinal Discomfort: Some athletes may experience gastrointestinal distress if carbohydrates are consumed excessively before a sprint event, which could negatively impact performance.
Step 3
General Understanding of Energy Systems
Answer
In general terms, the body utilizes different energy systems based on the duration and intensity of activity. Short, high-intensity efforts like the 100-metre race predominantly use the ATP-CP system, while longer events can benefit from carbohydrate loading due to increased reliance on aerobic metabolism.
Step 4
Nutritional Considerations for Athletes
Answer
Athletes focusing on short events like the 100-meter race should prioritize immediate energy sources, such as hydration and quick-digesting carbohydrates, over extensive carbohydrate loading. It's crucial for athletes to balance their nutrition strategy based on the demands of their specific sport.