Question 1

In addition to improving balance and flexibility, tai chi can also be used to reduce stress.

Accepted Answer

A) True 
 B)False

Question 2

A sequence of exercises performed on a mat or special equipment designed to stretch and strengthen muscles is known as

Accepted Answer

A)   yoga.
B)   Pilates.
C)   tai chi.
D)   ballet.E) C) and D)
F) All of the above

Question 3

Flexibility is the ability of the joints to

Accepted Answer

A)   extend beyond normal range of motion.
B)   move through a full range of motion.
C)   minimize range of motion.
D)   prevent low back pain.E) A) and B)
F) C) and D)

Question 4

What substance lubricates and protects joints?

Accepted Answer

A)   Adipose tissue
B)   Synovial fluid
C)   Blood
D)   CartilageE) B) and C)
F) A) and C)

Question 5

If a stretch reflex is activated, the muscle will

Accepted Answer

A)   lengthen.
B)   relax.
C)   contract.
D)   tear.E) A) and B)
F) C) and D)

Question 6

Stress is a risk factor for back injury.

Accepted Answer

A) True 
 B)False

Question 7

People who are hyperflexible have a low level of flexibility.

Accepted Answer

A) True 
 B)False

Question 8

Muscle injury can occur from quick, bouncy movements because

Accepted Answer

A)   the muscle is lengthening too slowly.
B)   the stretch reflex is creating tension while the muscle is lengthening.
C)   the nervous system tends to adapt quickly.
D)   muscles were not designed for such movement.E) B) and C)
F) A) and C)

Question 9

Approximately ________ of all Americans report limitations due to chronic back conditions.

Accepted Answer

A)   20 percent
B)   30 percent
C)   50 percent
D)   70 percentE) B) and C)
F) C) and D)

Question 10

Performing a high volume of static stretching before exercise can

Accepted Answer

A)   reduce power.
B)   increase muscle strength.
C)   increase the chance of injury.
D)   increase incidence of low back pain.E) A) and B)
F) A) and C)

Question 11

Which of the following are considered core muscles?

Accepted Answer

A)   Neck muscles
B)   Arm muscles
C)   Lower leg muscles
D)   Abdominal musclesE) A) and B)
F) A) and C)

Question 12

All of the following are tools for enhancing flexibility except

Accepted Answer

A)   a stretching strap.
B)   the Valsalva maneuver.
C)   a foam roller.
D)   a massage stick.E) A) and D)
F) B) and C)

Question 13

Improvements in flexibility can only be made while you are young.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is a risk factor for lower-back pain?

Accepted Answer

A)   Obesity
B)   Strong muscles
C)   Cardiovascular disease
D)   DiabetesE) B) and C)
F) A) and D)

Question 15

The prevalence of lower-back pain rises with

Accepted Answer

A)   low body mass index.
B)   decreased weight in the abdominal region.
C)   increased muscle fitness.
D)   increased body fat.E) A) and B)
F) None of the above

Question 16

Stretching that involves using voluntary contractions to help facilitate relaxation is known as ________ stretching.

Accepted Answer

A)   static
B)   PNF
C)   dynamic
D)   ballisticE) None of the above
F) A) and B)

Question 17

Tyler is 22 years old. Although he is physically active, he performs poorly on the sit-and-reach test. Tyler's lack of flexibility is most likely due to

Accepted Answer

A)   gender.
B)   genetics.
C)   age.
D)   activity level.E) B) and D)
F) C) and D)

Question 18

Muscle spindles trigger the muscle to

Accepted Answer

A)   lengthen.
B)   relax.
C)   contract.
D)   remain fixed.E) All of the above
F) A) and B)

Question 19

Which condition can cause a forward tilt of the pelvis and an increased curvature of the lower back?

Accepted Answer

A)   Weak trunk flexor muscles
B)   Strong abdominal muscles
C)   Tight hip flexor muscles
D)   Loose extensor musclesE) B) and D)
F) A) and B)

Question 20

A stretching technique that reduces muscle adhesions and loosens soft tissues before activity is

Accepted Answer

A)   yoga.
B)   whole-body vibration.
C)   tai chi.
D)   myofascial release.E) None of the above
F) All of the above

Exam 5: Maintaining Flexibility and Back Health

Which condition can cause a forward tilt of the pelvis and an increased curvature of the lower back?

Correct AnswerverifiedShow Answer

Stretching that involves using voluntary contractions to help facilitate relaxation is known as ________ stretching.

Correct AnswerverifiedShow Answer

Which of the following is a risk factor for lower-back pain?

Correct AnswerverifiedShow Answer

The prevalence of lower-back pain rises with

Correct AnswerverifiedShow Answer

What substance lubricates and protects joints?

Correct AnswerverifiedShow Answer

Performing a high volume of static stretching before exercise can

Correct AnswerverifiedShow Answer

A sequence of exercises performed on a mat or special equipment designed to stretch and strengthen muscles is known as

Correct AnswerverifiedShow Answer

People who are hyperflexible have a low level of flexibility.

Correct AnswerverifiedShow Answer

Improvements in flexibility can only be made while you are young.

Correct AnswerverifiedShow Answer

Approximately ________ of all Americans report limitations due to chronic back conditions.

Correct AnswerverifiedShow Answer

Which of the following are considered core muscles?

Correct AnswerverifiedShow Answer

Flexibility is the ability of the joints to

Correct AnswerverifiedShow Answer

If a stretch reflex is activated, the muscle will

Correct AnswerverifiedShow Answer

Muscle spindles trigger the muscle to

Correct AnswerverifiedShow Answer

In addition to improving balance and flexibility, tai chi can also be used to reduce stress.

Correct AnswerverifiedShow Answer

Tyler is 22 years old. Although he is physically active, he performs poorly on the sit-and-reach test. Tyler's lack of flexibility is most likely due to

Correct AnswerverifiedShow Answer

Muscle injury can occur from quick, bouncy movements because

Correct AnswerverifiedShow Answer

A stretching technique that reduces muscle adhesions and loosens soft tissues before activity is

Correct AnswerverifiedShow Answer

All of the following are tools for enhancing flexibility except

Correct AnswerverifiedShow Answer

Stress is a risk factor for back injury.

Correct AnswerverifiedShow Answer

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