AnswersAG Q2 Phys Ed 1 26-27 TDye - S1Developing Muscular Strength and Endurance

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1
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Select the statement that accurately describes the muscular system.

A
The muscular system is composed of two different types of muscles.
B
The muscular system is composed of muscles, tendons, and ligaments.
C
The muscular system is responsible for controlling the actions of smooth and cardiac muscles.
D
The muscular system is composed of smooth, skeletal, and cardiac muscles.
2
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When comparing a well-designed muscular strength workout to a well-designed muscular endurance workout, you would conclude that __________.

A
fewer repetitions with heavier weights would build muscular strength, while less weight and more repetitions would build muscular endurance
B
more weight and more repetitions build strength, while less weight and fewer repetitions build endurance
C
moderate weight with high repetitions builds strength, while heavy weight with low repetitions builds endurance
D
less weight with low repetitions builds strength, and moderate weight with low repetitions builds endurance
3

Susan and Laura are having a disagreement over who has more muscular strength. Susan is a distance runner and Laura is a sprinter. Which girl would be more likely to have more muscular strength?

A
Susan because her muscles can contract repeatedly over a longer period of time.
B
Laura because her muscles can produce more force for a single event.
C
Laura because her muscles can remain contracted over a longer period of time.
D
Susan because her muscles work together to produce great force to take her the distance.
4

Crunches are principally a(n) __________ exercise.

A
abdominal
B
arm
C
back
D
chest
5

Plyometric exercises involve __________.

A
eccentric muscle loading and concentric contraction
B
concentric muscle loading and eccentric contraction
C
repeated eccentric muscle loadings and stretching
D
repeated concentric muscle contractions
6

Lisa is beginning a weight-training program to firm up and gain muscular strength. She has decided to do some cycling or treadmill jogging to warm up, stretch before the workout and lift weights that isolate each muscle group in her body. She'll take the time to stretch before she leaves the gym. She is so dedicated that she is going to do this workout every day. After doing this for a few months, what may be the biggest concern?

A
Lisa could experience burnout from spending so much time in the gym.
B
Lisa could become obsessed with how she looks.
C
Lisa might lose her friends because she is devoting too much time to working out.
D
Lisa might experience symptoms of overtraining, like weight loss and increased irritability.
7

Weight lifters often use supplements and drugs to enhance their appearance or performance. In which scenario is the weight lifter placing himself or herself at the greatest risk for harm?

A
An overweight high school football player is using caffeine to combat fatigue during his workouts.
B
A thin high school lacrosse player is using creatine to improve performance on the field.
C
A healthy high school wrestler is using anabolic steroids to build muscle mass.
D
A normal high school student is using one daily protein supplement to build muscle.
8

Strength training makes ligaments, tendons, and cartilage stronger.

A
T
B
F
9

Describe four ways in which improving your muscular fitness would have a positive affect on your life.

Answer:

Improving muscular fitness can lead to: 1) better posture and reduced back pain, 2) lower risk of injury during daily activities, 3) increased metabolism and easier weight management, 4) improved performance in sports and physical tasks.

10

The skeletal system serves all of the following functions EXCEPT:

A
Bone marrow produces red and white blood cells which help carry oxygen through the blood and fight diseases.
B
The skeleton gives the human body its support, shape, and form.
C
The skeletal system helps to protect vital organs.
D
The skeletal system aids in the production of hormones that signal muscle and hair growth.
11

The BEST weight to use for weight training in order to increase strength is one that __________.

A
is challenging but still allows for proper form
B
is heavy enough to quickly reach exhaustion
C
is light enough to prevent injury
D
fits comfortably into the palm of your hand
12

Explain why not everyone can become a bodybuilder, even if they train hard enough.

Answer:

People differ in genetics, hormone levels, body structure, and how their muscles respond to training. These factors affect how much muscle a person can build, so training hard cannot guarantee that everyone will develop the size or physique of a bodybuilder.

13

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14

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Answer not available
15

A signal from the nervous system that is sent from the brain to the hand would follow a different pathway than a signal sent from the hand to the brain.

A
T
B
F
16

Discuss four ways that you can keep your nervous system healthy.

Answer not available
17

Explain why isokinetic exercises cannot generally be performed by individuals at home.

Answer not available
18

Type II B fast-twitch muscle fibers are those used in a short sprint.

A
T
B
F
19

A mother sprints across the yard to grab her small child before he enters the street. The mother is using her __________.

A
type I A slow-twitch muscle fibers that provided her with a fast burst of movement
B
type II B fast-twitch muscle fibers that respond quickly and provide her with speed and strength
C
type I B intermediate-twitch muscle fibers that respond quickly because they are delivered energy aerobically
D
type II A fast-twitch muscle fibers that act rapidly because they are delivered energy anaerobically
20

The responsibilities of a spotter include assisting, motivating, critiquing, and planning.

A
T
B
F

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