Here's why:
* Anaerobic Metabolism: This process breaks down glucose (sugar) in the absence of oxygen to produce energy (ATP) quickly. It's the dominant energy source for intense, short-duration activities like sprinting.
* Aerobic Metabolism: This process uses oxygen to break down glucose for energy. It's more efficient than anaerobic metabolism but takes longer to produce energy.
A 2-minute footrace is too short for aerobic metabolism to fully kick in. The athlete's body relies heavily on the quick burst of energy provided by anaerobic metabolism to reach peak speed and maintain it for the short duration.
While some aerobic energy production might occur, the majority of the energy needed is generated through anaerobic processes.
