Final answer:
Musculoskeletal changes in older people require regular exercise, proper nutrition, and adequate hydration, but not getting plenty of rest and sleep.
Step-by-step explanation:
The musculoskeletal changes in older people require regular exercise and physical activity, proper nutrition, and adequate hydration. However, getting plenty of rest and sleep is not a requirement for musculoskeletal changes.
While rest is important for overall health and recovery, it is not directly related to the maintenance of musculoskeletal health.