In an ambulatory child with obesity, how is mobility most impacted?

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Multiple Choice

In an ambulatory child with obesity, how is mobility most impacted?

Explanation:
Moving more body mass requires more work. In children with obesity who are ambulatory, every step to move that extra weight costs more energy—they end up using more oxygen and calories per meter walked, even at the same speed. That higher energy cost translates to quicker fatigue and reduced endurance, limiting how far or how long they can move before tiring. So mobility is most impacted by greater energy expenditure rather than being easier, unchanged, or faster with less effort.

Moving more body mass requires more work. In children with obesity who are ambulatory, every step to move that extra weight costs more energy—they end up using more oxygen and calories per meter walked, even at the same speed. That higher energy cost translates to quicker fatigue and reduced endurance, limiting how far or how long they can move before tiring. So mobility is most impacted by greater energy expenditure rather than being easier, unchanged, or faster with less effort.

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