CanFitPro Personal Training Specialist Practice Test 2026 - Free Personal Training Specialist Practice Questions and Study Guide

Question: 1 / 445

What is the main energy source for the Fatty Acid Oxidation System?

ATP

Carbohydrate

Fat

The main energy source for the Fatty Acid Oxidation System is fat. This system breaks down long-chain fatty acids to produce ATP, the energy currency of the body. Carbohydrates can also be broken down for energy, but the Fatty Acid Oxidation System specifically relies on fats. ATP is not a direct energy source, but rather is produced during the breakdown of fats. Creatine phosphate is used for quick bursts of energy and is not the main energy source for the Fatty Acid Oxidation System.

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Creatine phosphate

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