NETA Personal Trainer Practice Exam

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Prepare for the NETA Personal Trainer Exam with study tools, flashcards, and practice quizzes. Test your knowledge with multiple choice questions, each featuring hints and detailed explanations to boost your confidence and readiness for exam success.

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Which of the following best describes isokinetic exercise?

Muscle contractions at varied speeds
Dynamic contractions at a constant speed
Exercises without joint movement
Free movement through variable resistance

The correct answer is: Dynamic contractions at a constant speed

Isokinetic exercise is characterized by dynamic contractions that occur at a constant speed. This means that during the exercise, the resistance against the muscle remains consistent regardless of the force the individual applies. Typically, specialized equipment is used in isokinetic exercises to ensure that the speed of movement remains unchanged, thus allowing for controlled and measurable muscle contractions. This type of exercise is particularly beneficial for rehabilitation and strength training as it can effectively isolate specific muscle groups while providing a safe environment for the participant to work through their range of motion without the risk of injury that can come from variable resistance equipment or free weights. Using isokinetic exercise can help in developing strength, power, and endurance in a targeted manner.