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Exam 4: Improving Muscular Strength and Endurance

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Question 41

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Discuss the use of anabolic steroids by athletes and bodybuilders and their side effects.

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Anabolic steroids are synthetic forms of...

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Question 42

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Muscular strength is evaluated using the ________ test(s) .

A) 1 RM
B) push-up and dead-lift
C) curl-up
D) push-up and sit-up

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Question 43

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What is the principle of specificity of training, and how should it be used during a weight-training program?

The fact that muscular strength and endurance are realized only in the muscles trained is referred to as

A regular strength-training program increases resting metabolic rate.

A muscle contraction that occurs as the muscle lengthens is referred to as a(n) ________ contraction.

A muscle contraction that occurs as the muscle shortens is referred to as

The intensity of exercise in a weight-training program is measured by

Androstenedione has been shown to significantly increase lean body mass.

What is the Valsalva maneuver?

The amount of movement possible at a joint is called the

A general rule is that once ________ reps of an exercise can be performed easily, the load should be increased to a point at which 6 reps are maximal.

Muscle fiber recruitment refers to the process of muscle fiber filaments sliding over each other.

A fast-twitch type IIa muscle fiber produces force quickly and also fatigues quickly.

Sarah had been working with a personal trainer in beginning a new fitness program. The first time she went to the gym to work out alone, she tried to remember all the safety tips her trainer gave her. She immediately started with the bench press exercise. She chose light weights and breathed in and out throughout the exercise. As Sarah finished her third set of bench presses, she realized she'd remembered everything correctly except to

Describe the three stages of a strength-training program. Be sure to include frequency, duration, and intensity of training during each stage.

A weight-training program that gradually increases the resistance lifted relies on the ________ principle to build strength.

Which of the following muscle fiber types is characterized by rapid contraction time and some level of resistance to fatigue?

During low-intensity exercise, only slow-twitch muscle fibers are recruited.

To improve muscular strength, a regimen of ________ for each exercise is generally recommended