Final answer:
Glycogen loading has the biggest impact on endurance sports and is less relevant for short-duration strength training events like weightlifting, making the statement false.
Step-by-step explanation:
Glycogen loading is a strategy commonly associated with endurance sports like marathon running, where the aim is to maximize the storage of glycogen, an energy reserve, in muscles.
This energy can then be quickly mobilized to meet the high demand for glucose, which gets converted into ATP during prolonged periods of exercise. Glycogen is synthesized from excess ATP and glucose and is stored predominantly in the muscles and liver. However, the claim that glycogen loading has the biggest impact on strength training based events, such as weightlifting and powerlifting, is false. These activities typically rely on immediate sources of energy like the phosphocreatine system and anaerobic glycolysis for short, intense bursts of effort, rather than on muscle glycogen stores that are critical for prolonged, moderate to high-intensity exercise.