Answer:
It is a struggle for middle class student but not for a person with a physical disability, and an elderly person.
Explanation:
Maintaining a fitness routine might be a struggle for a middle school student because there is less time available to the middle school student. The middle school student has very busy schedule and very little or sometime no time is available for a fitness routine. The physical status is a main problem for a person with a physical disability, and an elderly person because their body can't perform hard exercises but there is plenty of time with them for their fitness routine.
