Health-related Fitness - Muscular Fitness - Muscular Strength and Endurance

B

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

D

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

A

If you wanted to increase your muscular endurance, it would be important to participate in activities that __________. A. increase the size of the muscle cells and the amount of blood that is delivered to the muscle B. decrease the amount of fuel that the muscle can store and increase the time it takes for the muscle to contract C. increase the number of muscles and decrease the size of the muscle cells D. decrease the length of the muscle and increase the thickness of the muscle

True

In some sports, muscular strength can be more important than muscular endurance.

B

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

A

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

A

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. One individual was born with more muscle fibers. B. One individual has a more consistent training schedule. C. One individual is consuming a healthier diet. D. One individual has a more intense training schedule.

D

Weight training has the biggest effect on __________. A. cardiac muscles B. smooth muscles C. involuntary muscles D. skeletal muscles

C

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

C

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