Answer: d. The aspects to consider when designing a sound fitness program.
Explanation:
The FITT principle which suggests a great way for monitoring the exercise program.
Frequency: It refers to the frequency of exercise done per day.
Intensity: It refers to the fact that how moderate or vigorous an exercise is. It defines how difficult and hard the exercise is.
Time: It refers to the time one contributes for exercise.
Type: The type of exercise which a person performs comes into the category of type of exercise. The easy exercise can be done to prevent the injuries.
The principle ensures the sound fitness of the body. It helps in developing strength and stamina in the body. It also helps in stretching the body thus improves the flexibility of the body.