Health Test 2

10 September 2022
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79 test answers

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question
Which is a result of inactivity and aging?
answer
loss of bone mass
question
Which is a definition of hypertrophy?
answer
an increase in muscle fiber size
question
During which exercise does a muscle lengthen as it contracts?
answer
eccentric contraction
question
Which term refers to a type of bodyweight exercise that emphasizes control, movement flow, and breathing?
answer
pilates
question
What is the best way to improve muscular endurance?
answer
Use light resistance with many repetitions.
question
What is the recommended amount of resistance and number of repetitions for improving muscular endurance?
answer
40-60% RM; 15 to 20 repetitions
question
How is muscular endurance assessed?
answer
by measuring the ability to exert a submaximal force repeatedly over time
question
What do stability ball exercises improve?
answer
core (endurance and strength)
question
What do experts say when they compare free weights to weight machines?
answer
Weight machines are safer.
question
What determines training intensity for weight training?
answer
amount of weight lifted
question
Which type of isotonic exercise would athletes use to simulate movement during sprinting or throwing?
answer
speed loading
question
At what age do people typically begin to lose muscle mass?
answer
30
question
How is muscular strength assessed?
answer
by measuring the most force a muscle can produce in one effort
question
Which muscle group do lunges develop?
answer
quads
question
What characterizes slow-twitch muscle fibers?
answer
fatigue resistance
question
What is the best way to build individual muscle strength and muscle size?
answer
Use heavy resistance with few repetitions for multiple sets.
question
What is the minimum number of training days per week for gaining strength?
answer
2
question
Which type of exercise is an individual performing when she or he jumps from a platform to the ground and then jumps back up on the platform?
answer
plyometrics
question
What is the recommended amount of resistance and number of repetitions for building muscular strength rapidly?
answer
80% RM; 1 to 5 repetitions
question
Which statement describes a condition of gender and strength training?
answer
Women tend to lose inches and increase strength with resistance training.
question
Which describes a muscle fiber?
answer
an individual muscle cell
question
Properly aligning the spine and the strong muscles in which area can reduce such injuries as low back pain?
answer
abdomen and hips
question
Which advantage is associated with static exercises?
answer
they require no equipment
question
Which exercise program is an example of a weight-training program focused on building muscular endurance?
answer
3 sets, 8-12 repetitions, 40-60% of 1 RM
question
How long should the rest interval between sets last to gain muscular strength and endurance for general fitness?
answer
1 to 3 minutes
question
Which of the following is an accurate comparison between women's and men's body composition?
answer
Women have approximately the same capacity for increases in strength.
question
When does the metabolic rate increase?
answer
when muscle mass increases
question
Which condition can cause the decrease in muscle strength that is often associated with aging?
answer
inactivity
question
For overall fitness, how many different exercises should a weight training program include?
answer
8-10
question
What is the best description of isokinetic exercise?
answer
applying force at a constant speed
question
Which is true when comparing free weights and weight machines?
answer
Free weights strengthen in ways that are more adaptable to real-life motion.
question
Which activities predominantly use slow-twitch muscle fibers?
answer
walking and jogging
question
How does strength training improve body composition?
answer
primarily by increasing muscle mass
question
What makes up a motor unit?
answer
one motor nerve connected to muscle fibers
question
Which activities predominantly use fast-twitch muscle fibers?
answer
sprinting
question
How much boost to the resting metabolic rate can strength training provide?
answer
15%
question
What characterizes fast-twitch muscle fibers?
answer
rapid contraction
question
Which is a muscle group developed through spine extensions?
answer
erector spinae
question
In weight training, what is the definition of a set?
answer
group of repetitions followed by a rest period
question
Which essential hormone do men have in higher amounts than women, allowing men to build more muscle mass than women?
answer
testosterone
question
Which is a good resistance training technique for developing explosive strength?
answer
plyometrics
question
What is the best description for isometric exercise?
answer
applying force without a change in the length of the muscle
question
Which defines an antagonist muscle?
answer
a muscle that relaxes as another contracts
question
What percentage of all Americans will be afflicted with low back pain at some point in their life?
answer
85%
question
Which approach is recommended for strength training safety?
answer
rest between sets of exercises
question
How does strength training help prevent and manage chronic disease?
answer
improving glucose metabolism
question
What is the best classification of an exercise that includes muscular force exerted as a muscle shortens?
answer
concentric
question
Which activity is recommended when working with free weights?
answer
keep the weight close to your body
question
Which structures absorb and disperse stress on the spine?
answer
intervertebral disks
question
Which benefit comes with flexibility?
answer
prevention of muscle strains
question
Which statement is true regarding an appropriate goal for flexibility?
answer
It depends on individual fitness goals and choice of sports and activities.
question
What is the focus of dynamic stretching?
answer
functionally based movements
question
When should a person perform stretching exercises?
answer
after a warm-up or workout
question
Which stretching program conforms to ACSM recommendations?
answer
3 days per week, 20 seconds per stretch, 4 repetitions of each stretch
question
Which activity is one of the common stretching techniques?
answer
static
question
Which is an essential component of safe passive stretching?
answer
good communication with one's partner
question
What are the two principal types of connective tissue in a muscle?
answer
elastin and collagen
question
What is likely to cause back pain?
answer
weak muscles
question
What are the five regions of the spine?
answer
Cervical Thoracic Lumbar Sacrum Coccyx
question
Which stretching technique do experts recommend for general fitness?
answer
static
question
Upon which does static flexibility depend?
answer
structure of a joint
question
Which approach for the prevention and management of low-back pain is correct?
answer
Exercises should be performed at least 3 days per week.
question
What is included in the core muscles?
answer
abdomen, pelvic floor, sides of the trunk, back, buttocks, hips, and pelvis
question
What type of stretching features contracting a muscle prior to stretching?
answer
proprioceptive neuromuscular facilitation
question
What are joint capsules?
answer
semi-elastic structures that surround major joints
question
Which is a proprioceptor?
answer
nerve
question
Which is a disadvantage of active stretching?
answer
may not produce a sufficient stretch
question
Which best describes a function of the spinal column?
answer
structural support for the lower body
question
What are the yellow fibers that make connective tissue flexible?
answer
elastin
question
Which activity would dynamic flexibility affect?
answer
pitching a softball
question
Which is one outcome of good flexibility?
answer
lower risk of sport injury
question
What determines flexibility?
answer
heredity
question
Which type of stretching usually requires a partner?
answer
PNF
question
Which benefit can stretching provide?
answer
it allows muscles to lengthen
question
According to the American College of Sports Medicine (ACSM), how many days a week should one perform stretching exercises?
answer
2 or 3
question
Which stretching technique is most commonly associated with injury?
answer
ballistic
question
How many repetitions of a stretch are needed in each session to improve flexibility over time?
answer
2 to 4
question
Why are ballistic stretches considered dangerous?
answer
They may stimulate a muscular contraction during a stretch.
question
Girls gain how much of their adult bone mass by age 18?
answer
85%