What is the definition of physical fitness?

The correct answer defines physical fitness as a combination of aerobic endurance, muscular strength, and flexibility. This definition encompasses various components that are essential for overall physical health and performance.

Aerobic endurance refers to the body's ability to supply oxygen to muscles during sustained physical activity, which is crucial for activities like running or swimming. Muscular strength involves the maximum amount of force exerted by a muscle or group of muscles, essential for tasks that require lifting or pushing. Flexibility allows for a greater range of motion in the joints, which contributes to enhanced performance and reduces the risk of injuries.

This comprehensive perspective on physical fitness acknowledges that it's not limited to just one aspect of fitness, such as strength or agility alone, but instead embraces a holistic view that enhances an individual's overall health and athletic capabilities.