Anaerobic performance refers to the ability of the body to generate energy without the use of oxygen. This type of performance is crucial for short bursts of high-intensity activities, such as sprinting, weightlifting, or jumping. During anaerobic exercise, the body relies on stored energy sources, like glycogen, to fuel muscle contractions quickly. The primary energy systems involved in anaerobic performance are the phosphagen system and the glycolytic system. The phosphagen system provides immediate energy for activities lasting up to 10 seconds, while the glycolytic system supports efforts lasting from about 10 seconds to 2 minutes. Both systems are essential for athletes in sports requiring quick, explosive movements.