Aerobic means "in the presence of oxygen."

The statement "Aerobic means 'in the presence of oxygen'" is correct. In exercise physiology, aerobic refers to activities or processes that require oxygen for energy production. This includes endurance activities such as running, swimming, and cycling, where the body relies on oxygen to convert carbohydrates and fats into energy over prolonged periods. Aerobic exercise improves cardiovascular fitness, increases endurance, and is essential for overall health.

The term itself derives from the Greek word "aer," meaning air, and "bios," meaning life, indicating that aerobic processes are fundamental to sustaining life through the utilization of oxygen. Understanding this concept is crucial for personal trainers when designing fitness programs that enhance aerobic capacity and overall fitness.