character: Trainer Fit
topic: Exercise Physiology and Muscle Function
grade: 9
subject: Science
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character: Muscle Mechanics
topic: Understanding Muscle Contraction
grade: 9
subject: Science
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character: Fitness Coach
topic: Principles of Strength Training
grade: 9
subject: Science
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character: Exercise Scientist
topic: Factors Affecting Muscle Endurance
grade: 9
subject: Science
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