AFAA Personal Trainer Certification Practice Exam

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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.

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What occurs during flexion at a joint?

Joint angle increases
Joint angle stays the same
Joint angle diminishes
Joint is locked in place

The correct answer is: Joint angle diminishes

During flexion at a joint, the angle between the bones that make up the joint decreases. This movement is characterized by the bending of a limb or a segment of the body, bringing the two body parts closer together. For example, when you bend your elbow, the angle between the forearm and upper arm diminishes, which is a clear demonstration of flexion. Flexion can occur in various joints, such as the hips, knees, and shoulders, and is a fundamental movement pattern in many exercises and activities. Recognizing this concept is crucial for personal trainers, as it helps in designing effective workout routines that incorporate movements involving flexion, promoting flexibility and strength in the joints. Understanding joint actions like flexion also aids trainers in ensuring proper form and technique during physical activity, reducing the risk of injury.