AFAA Personal Trainer Certification Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the AFAA Personal Trainer Certification Exam. Engage with quizzes, flashcards, and multiple-choice questions. Prepare efficiently with hints and explanations to achieve certification success.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the result of Muscle Hypertrophy?

Decrease in muscle endurance capabilities
Decrease in joint stability
Increase in muscle cross-sectional area
Quicker recovery time post-exercise

The correct answer is: Increase in muscle cross-sectional area

Muscle hypertrophy refers to the increase in the size of muscle fibers, which leads to an increase in muscle cross-sectional area. This process occurs primarily as a response to resistance training and involves structural changes within the muscle tissue, including an increase in the number of myofibrils, the contractile units of muscle. As the muscle fibers grow larger, they can generate more force, which enhances both strength and overall muscular capacity. The other options do not accurately reflect the physiological outcomes associated with muscle hypertrophy. For instance, while muscle hypertrophy can improve certain performance metrics, it does not inherently decrease muscle endurance capabilities. Joint stability can be influenced by multiple factors, but hypertrophy itself is not directly associated with a decrease in joint stability. Similarly, muscle hypertrophy typically does not lead to quicker recovery times post-exercise; rather, recovery is influenced by various factors including overall conditioning, nutrition, and individual recovery processes.