ACE Group Fitness Instructor Practice Exam

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Boost your ACE Group Fitness Instructor test preparation. Explore multiple choice questions with explanations. Get ready to excel in your certification exam!

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What percentage increase in calories burned is associated with walking at 2.5 mph with a weighted vest of about 15% BM?

The correct answer is: 12%

The percentage increase in calories burned when walking at a pace of 2.5 mph while wearing a weighted vest that is approximately 15% of body mass can be attributed to the additional effort required to move with the added weight. When individuals engage in activities with a weighted vest, their body must exert more energy to achieve the same movement, leading to an increase in calorie expenditure. Research indicates that walking with an added weight can lead to increases in metabolic demand. A 12% increase in calorie expenditure, as indicated by your choice, aligns with these findings, reflecting the compound effects of the body's energy systems working harder to accommodate the additional weight while maintaining proper gait and stability. This figure underscores the physiological response of the body when external weight is introduced, especially during moderate-intensity activities like walking. Therefore, the specific increase of 12% accurately captures the enhanced calorie burn for individuals engaging in this particular exercise modality with a weighted vest of the indicated proportion of body mass.