is hitting a tennis ball aerobic or phosphagen
Hitting a tennis ball is primarily an anaerobic activity, utilizing the phosphagen system.
During a tennis match, players engage in quick, explosive movements such as sprinting, stopping, changing direction, and hitting the ball with rapid bursts of energy. These types of movements rely heavily on the phosphagen system, which provides immediate energy via the breakdown of ATP and creatine phosphate stored in the muscles.
While aerobic energy production also contributes to overall energy expenditure during tennis, it is not the primary energy system used during the short, intense bursts of hitting the ball. Aerobic energy production becomes more significant during longer rallies or extended matches, where players engage in more continuous movement and rely on sustained endurance.
Therefore, hitting a tennis ball can be classified as an activity that predominantly utilizes the phosphagen system, making it an anaerobic activity.