AnswersSHS Lifetime Fitness - 2021Developing Cardiorespiratory Fitness

Muscular Strength and Endurance Answers

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1
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An individual has sarcopenia. In order to prevent this condition from becoming any worse, what action should be taken?

A
decrease the amount of time spent exercising each week
B
participate in more activities like weight training
C
cut back on the use of heavy weights
D
increase supplements and eat a healthier diet
2
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Which of the following is an example of improved functioning as related to the benefits of muscular strength and endurance training?

A
having stronger bones
B
easier to do household chores
C
lower blood pressure
D
larger lung capacity
3

Two individuals start the same training program at the same time, but one is able to grow muscle faster and larger than the other. What is the least likely explanation for this?

A
A
B
B
C
C
D
D
4

Jackie noticed an increase in appetite after she started weight training. Since she did not change her eating habits, her body fat began to drop. Why did this happen?

A
Weight training slows the metabolism in order to allow muscles to grow and repair. This causes fat loss.
B
Even though Jackie says she did not change her eating habits, she must have consumed fewer calories, causing her weight to drop.
C
When Jackie is exercising she does not have time to eat. This, combined with the calories burned during exercise, must have been enough to cause her body fat to drop.
D
As muscle mass increases, so does metabolism. A higher metabolism burns more fat.
5

Muscles make up more than _____ of a person's body mass.

A
10%
B
25%
C
40%
D
75%
6

What can be found in every skeletal muscle?

A
nerves, bones, cartilage, and connective tissue
B
tendons, cartilage, nerves, and blood vessels
C
muscle fibers, nerves, connective tissue, and blood vessels
D
tendons, nerves, blood vessels, and bones
7

With age, muscles can become weaker. This is due to __________.

A
connections between nerves, which cause more pain and therefore less use
B
damage from everyday use and injuries that accumulate over time
C
disconnections between motor nerves and muscle fibers
D
difficulties that occur during muscle growth and repair
8

If you were running a marathon, which type of muscle fibers would be most useful to you?

A
slow-twitch
B
fast-twitch, type I A
C
intermediate-twitch, type II B
D
slow-intermediate twitch, type I B
9

With age, muscles can become weaker. This is due to __________.

A
connections between nerves, which cause more pain and therefore less use
B
damage from everyday use and injuries that accumulate over time
C
disconnections between motor nerves and muscle fibers
D
difficulties that occur during muscle growth and repair
10

The overriding problem with both theories of muscle growth, hypertrophy and hyperplasia, is that __________.

A
neither can be accepted as correct because muscles growth is difficult to study in humans
B
neither one is theoretically possible
C
neither has been studied by reputable scientists
D
neither has been accepted by member of the fitness community
11

Jackie noticed an increase in appetite after she started weight training. Since she did not change her eating habits, her body fat began to drop. Why did this happen?

A
Weight training slows the metabolism in order to allow muscles to grow and repair. This causes fat loss.
B
Even though Jackie says she did not change her eating habits, she must have consumed fewer calories, causing her weight to drop.
C
When Jackie is exercising she does not have time to eat. This, combined with the calories burned during exercise, must have been enough to cause her body fat to drop.
D
As muscle mass increases, so does metabolism. A higher metabolism burns more fat.
12

If you were running a marathon, which type of muscle fibers would be most useful to you?

A
slow-twitch
B
fast-twitch, type I A
C
intermediate-twitch, type II B
D
slow-intermediate twitch, type I B
13

Dawn is trying to find out how much weight she can push across the room. She is really trying to find her __________.

A
flexibility
B
muscular endurance
C
cardiovascular fitness
D
muscular strength
14

In this theory of muscle growth, muscle fibers are able to split and create new fibers.

A
hypertrophy
B
hyperplasia
C
atrophy
D
none of the above
15

Improvements in muscular strength will not affect muscular endurance.

A
T
B
F
16

Muscles make up more than _____ of a person's body mass.

A
10%
B
25%
C
40%
D
75%
17

Which of the following is an example of improved functioning as related to the benefits of muscular strength and endurance training?

A
having stronger bones
B
easier to do household chores
C
lower blood pressure
D
larger lung capacity
18

In some sports, muscular strength can be more important than muscular endurance. Please select the best answer from the choices provided.

A
T
B
F
19

If an individual started running 10 miles three times a week, there would most likely be an __________.

A
increase in flexibility
B
increase in muscular strength
C
increase in muscular endurance
D
increase in weight
20

Strength training is beneficial because it decreases your risk of injury. Which statement BEST describes why this is true?

A
Muscular fitness training can prevent or improve diabetes and sarcopenia.
B
Muscular fitness training increases muscle mass, which increases your metabolism.
C
Muscular fitness training strengthens tendons, ligaments, and cartilage.
D
Muscular fitness training improves self-image and athletic performance.

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