Excess Post-Exercise Oxygen Consumption, or EPOC, refers to the increased rate of oxygen intake following strenuous activity. After exercise, the body requires more oxygen to restore itself to pre-exercise levels, which includes replenishing energy stores, repairing muscles, and regulating body temperature. This process can last from several minutes to hours, depending on the intensity and duration of the workout. During EPOC, the body continues to burn calories even after the exercise has ended. This phenomenon is often associated with high-intensity workouts, such as HIIT (High-Intensity Interval Training), which can lead to a greater caloric deficit. Understanding EPOC can help individuals optimize their fitness routines for better weight management and overall health.