Which of the following is NOT a key component of a well-rounded fitness program?

In a well-rounded fitness program, there are several essential components that contribute to overall health and fitness. Cardiovascular endurance, flexibility, and body composition are all crucial aspects to consider.

Cardiovascular endurance is important because it enhances the efficiency of the heart and lungs, improving overall stamina and energy levels. Flexibility is vital to maintaining a full range of motion in the joints and can help prevent injuries. Body composition, which refers to the ratio of fat to lean mass, is a significant indicator of health and fitness levels.

On the other hand, a program that is exclusively focused on strength training lacks balance and does not incorporate the other necessary components of fitness. While strength training is beneficial for muscle building and metabolic health, it does not address cardiovascular endurance or flexibility, which are critical for comprehensive fitness. A well-rounded program should integrate cardiovascular exercise, strength training, and flexibility work to promote optimal health and performance.