Smash the CanFitPro Personal Training Specialist Exam 2025 – Flex Your Skills and Power Up!

Question: 1 / 445

What is the main energy source for the Aerobic (glycolytic) system?

Fat

Carbohydrate

The main energy source for the Aerobic (glycolytic) system is carbohydrates, specifically in their converted form of glucose. The body breaks down carbohydrates into glucose, which is then used to fuel the Aerobic system for prolonged periods of activity.

Option A, fat, is not the main energy source for the Aerobic system because it takes longer to break down and cannot be converted into energy as quickly as carbohydrates.

Option C, ATP, is not the main energy source because it is already produced by the Aerobic system and is used as a form of energy storage, rather than being the source of energy itself.

Option D, creatine phosphate, is used as a quick energy source for short bursts of high-intensity activity, such as weightlifting, but is not the main source of energy for prolonged aerobic activity. Therefore, option B, carbohydrate, is the most correct answer.

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ATP

Creatine phosphate

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