Question 1

During a strength training exercise,the agonist muscle contracts and the antagonist muscle stretches to allow the contraction.

Accepted Answer

A) True 
 B)False

Question 2

Slow-twitch muscle fibers do not fatigue as rapidly as fast-twitch muscle fibers.

Accepted Answer

A) True 
 B)False

Question 3

What characterizes slow-twitch muscle fibers?

Accepted Answer

A)  lack of endurance
B)  rapid contraction
C)  fatigue resistance
D)  lack of oxidative energyE) All of the above
F) B) and D)

Question 4

Muscular strength can be assessed by measuring the maximum amount of weight a person can lift during one repetition.

Accepted Answer

A) True 
 B)False

Question 5

Weight machines are safer,but an exerciser should use a spotter.

Accepted Answer

A) True 
 B)False

Question 6

What makes up a motor unit?

Accepted Answer

A)  one tendon and one muscle fiber
B)  fast- and slow-twitch muscle fibers
C)  one motor nerve connected to muscle fibers
D)  one motor nerve connected to a tendonE) B) and D)
F) C) and D)

Question 7

How long should the rest interval between sets last to gain muscular strength and endurance for general fitness?

Accepted Answer

A)  less than 1 minute
B)  1 to 3 minutes
C)  3 to 5 minutes
D)  more than 5 minutesE) B) and C)
F) A) and C) B

Question 8

Which is a definition of hypertrophy?

Accepted Answer

A)  an increase in muscle fiber size
B)  a decrease in muscle fiber size
C)  an increase in muscle fiber number
D)  a decrease in muscle fiber numberE) All of the above
F) None of the above

Question 9

Which defines an antagonist muscle?

Accepted Answer

A)  a muscle that relaxes as another contracts
B)  a muscle that is a contracting muscle
C)  a muscle that is a strong,powerful muscle
D)  a muscle that is a small,weak muscleE) B) and C)
F) A) and B)

Question 10

How is muscular strength assessed?

Accepted Answer

A)  by measuring the most force a muscle can produce in one effort
B)  by measuring the most force a muscle can produce in 10 repetitions
C)  by measuring the ability to exert a submaximal force repeatedly over time
D)  by measuring the ability of a muscle to exert force rapidlyE) A) and B)
F) All of the above

Question 11

Power activities such as sprinting use predominantly fast-twitch muscle fibers.

Accepted Answer

A) True 
 B)False

Question 12

For a strength-training program to develop general fitness,it is best to choose resistance of about 90% of 1 RM.

Accepted Answer

A) True 
 B)False  False

Question 13

Which statement describes a condition of gender and strength training?

Accepted Answer

A)  Men have more muscle mass in the lower body than women do.
B)  Women tend to lose inches and increase strength with resistance training.
C)  Men are about 10% stronger in upper body strength when compared to women.
D)  Testosterone levels in women are about two times higher than in men.E) All of the above
F) A) and D)

Question 14

During which exercise does a muscle lengthen as it contracts?

Accepted Answer

A)  isometric exercise
B)  concentric contraction
C)  speed-loading exercise
D)  eccentric contractionE) A) and B)
F) A) and C)

Question 15

Which exercise program is an example of a weight-training program focused on building muscular endurance?

Accepted Answer

A)  1 set,8-12 repetitions,70% of 1 RM
B)  1 set,3-5 repetitions,85% of 1 RM
C)  3 sets,4-6 repetitions,80% of 1 RM
D)  3 sets,8-12 repetitions,40-60% of 1 RME) None of the above
F) A) and D)

Question 16

Properly aligning the spine and the strong muscles in which area can reduce such injuries as low back pain?

Accepted Answer

A)  abdomen and hips
B)  shoulders and chest
C)  neck
D)  feetE) A) and C)
F) B) and C) A

Question 17

Which approach is recommended for strength training safety?

Accepted Answer

A)  hold your breath to stabilize the body during heavy lifts
B)  hold the thumbs away from the bar
C)  use an alternate grip when a spotter is unavailable
D)  rest between sets of exercisesE) A) and C)
F) A) and B)

Question 18

Dynamic weight training involves applying force without a change in the length of the working muscles.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is an accurate comparison between women's and men's body composition?

Accepted Answer

A)  Women have more muscle tissue in the upper body.
B)  Women have approximately the same capacity for increases in strength.
C)  Women have a higher speed of nervous control of muscle.
D)  Women have larger muscles fibers.E) All of the above
F) A) and C)

Question 20

What is the recommended amount of resistance and number of repetitions for improving muscular endurance?

Accepted Answer

A)  40-60% RM;15 to 20 repetitions
B)  40-60% RM;1 to 5 repetitions
C)  70-80% RM;1 to 5 repetitions
D)  80-100% RM;5 repetitionsE) All of the above
F) A) and B)

Exam 4: Muscular Strength and Endurance

During a strength training exercise,the agonist muscle contracts and the antagonist muscle stretches to allow the contraction.

Correct AnswerverifiedShow Answer

Slow-twitch muscle fibers do not fatigue as rapidly as fast-twitch muscle fibers.

Correct AnswerverifiedShow Answer

What characterizes slow-twitch muscle fibers?

Correct AnswerverifiedShow Answer

Muscular strength can be assessed by measuring the maximum amount of weight a person can lift during one repetition.

Correct AnswerverifiedShow Answer

Weight machines are safer,but an exerciser should use a spotter.

Correct AnswerverifiedShow Answer

What makes up a motor unit?

Correct AnswerverifiedShow Answer

How long should the rest interval between sets last to gain muscular strength and endurance for general fitness?

Correct AnswerverifiedB

Which is a definition of hypertrophy?

Correct AnswerverifiedShow Answer

Which defines an antagonist muscle?

Correct AnswerverifiedShow Answer

How is muscular strength assessed?

Correct AnswerverifiedShow Answer

Power activities such as sprinting use predominantly fast-twitch muscle fibers.

Correct AnswerverifiedShow Answer

For a strength-training program to develop general fitness,it is best to choose resistance of about 90% of 1 RM.

Correct AnswerverifiedFalse

Which statement describes a condition of gender and strength training?

Correct AnswerverifiedShow Answer

During which exercise does a muscle lengthen as it contracts?

Correct AnswerverifiedShow Answer

Which exercise program is an example of a weight-training program focused on building muscular endurance?

Correct AnswerverifiedShow Answer

Properly aligning the spine and the strong muscles in which area can reduce such injuries as low back pain?

Correct AnswerverifiedA

Which approach is recommended for strength training safety?

Correct AnswerverifiedShow Answer

Dynamic weight training involves applying force without a change in the length of the working muscles.

Correct AnswerverifiedShow Answer

Which of the following is an accurate comparison between women's and men's body composition?

Correct AnswerverifiedShow Answer

What is the recommended amount of resistance and number of repetitions for improving muscular endurance?

Correct AnswerverifiedShow Answer

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B

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False

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A

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