Final answer:
Good muscular fitness is vital for older adults to maintain health and independence.
Explanation:
Good muscular fitness is indeed a crucial element of physical fitness for the older-adult population. As people age, muscle function tends to decline, leading to potential loss of independence, but exercise can help maintain muscle mass and overall health. Muscular strength, along with other components like cardiorespiratory endurance and flexibility, plays a vital role in achieving optimal health and preventing chronic diseases.
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