Physical Fitness Unit 2 Quiz 2 + Review

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injury and shortening of the myofibrils

scarring

performed by trying to grab your hands behind your back

shoulder flexibility test

muscle myofribrils

small sections in a muscle cell that move when a muscle is being used

muscle fibers

the cells that make up a muscle

a sensory organ in the muscles that relaxes them in response to static stretching

Golgi tendon organ

The _____ relax(es) the muscles.

Golgie tendon organ

(Warm-up or cool-down) keeps the blood moving through the body:

cool-down

(Match the type of stretching with the example) often used before sports:

dynamic stretching

(Match the type of stretching with the example) slow leg lifts:

dynamic stretching

stretching that helps prepare muscles for sports activities:

dynamic stretching

stretching that is usually used after a warm-up:

dynamic stretching

stretching which involves gentle, sports-related motions

dynamic stretching

reduces the chance of muscle injury

flexibility exercises

(Match with correct benefit of stretching) less back pain

improved posture

(Match with correct benefit of stretching) stronger pairs of muscles

improved posture

Which of the following are true about an activity log?

It helps you keep track of your planned exercise activities., All of your flexibility exercise time should be logged in it., It will help a person become consistent with exercise., It will show you what types of exercises you have performed each week.

What are the correct ways to breathe during stretching?

Perform slow, even breathing as you hold a stretch.,Breathe in as you prepare to stretch. ,Breathe out with a stretch.

What is the main reason some people don't stretch before exercising?

They don't know they should stretch

(True or False) Stretching can help lower blood sugar levels.

True

(True or False)Flexibility activities should be recorded in your activity log.

True

lactic acid

a by-product produced in the muscles during exercise

exercise

activities that improve the health of the heart, lungs, muscles, and joints of a person

pairs of muscles that move parts of the body in opposite directions

antagonistic muscles

the front and back muscles of your leg

antagonistic muscles

(Match the type of stretching with the example) engages the muscle spindle

ballistic stretching

(Match the type of stretching with the example) involves forceful bouncing movements:

ballistic stretching

stretching that makes muscles tighter:

ballistic stretching

stretching that should not be performed:

ballistic stretching

stretching which involves forceful bouncing movements

ballistic stretching

(Warm-up or cool-down) helps prevent muscle soreness the day after exercise:

cool-down

(Match with correct benefit of stretching) greater range of motion

decreased joint stiffness

(Match with correct benefit of stretching) less pain with movement

decreased joint stiffness

when the joints move more easily

decreased joint stiffness

a by-product of exercise

lactic acid

removed by the blood

lactic acid

What are the benefits of stretching?

makes you stand straighter, prevents leg cramps, helps you sleep better

the muscle cells

muscle fibers

a sensory organ in the muscles that tightens them in response to sudden movement

muscle spindle

The _____ tighten(s) the muscles.

muscle spindles

can be damaged during exercise

myofibrils

slide together to shorten a muscle

myofibrils

Antagonistic muscles move a body part in _________ _____________.

opposite directions

measures back and leg flexibility

standard sit-and-reach test

During your class stretching, _____.

you stretched the neck and shoulders you performed warm-ups before stretching some exercises involved moving from one position to another

improves the health of the muscles

stretching

(Match the type of stretching with the example) involves gentle, sports-related motions:

dynamic stretching

If stretching is done during the cool-down, it can help the muscle _____.

increase flexibility

Why is stretching considered exercise?

increases blood flow to the muscles, helps heal the muscles, lengthens the myofibrils

Stretching can help prevent _____.

varicose veins

veins in the body, usually the legs, which have been stretched out of shape and do not move blood through the body effectively anymore

varicose veins

(Warm-up or cool-down) helps get muscles out of a relaxed state:

warm-up

(Warm-up or cool-down) helps keep the heart from getting shocked by activity:

warm-up

(Warm-up or cool-down) helps the joints of the body handle the strain of exercise:

warm-up

(Warm-up or cool-down) starts increasing the blood flow to the muscles:

warm-up

Muscle fibers move back and forth during _____.

exercise

range of motion

how far in any direction a part of the body is able to move

(Match with correct benefit of stretching) better mood

improved ability to relax

(Match with correct benefit of stretching) lowers blood pressure

improved ability to relax

lowers blood pressure and blood sugar

improved ability to relax

(Match with correct benefit of stretching) fewer leg muscle cramps

improved circulation

(Match with correct benefit of stretching) warmer feet

improved circulation

results in fewer varicose veins

improved circulation

comes from equally worked antagonistic muscles

improved posture

when the muscles and joints are more flexible

improved range of motion

the way you hold your body when you stand or sit

posture

how far in any direction a part of the body is able to move

range of motion

(Match the type of stretching with the example) involves holding a stretch:

static stretch

(Match the type of stretching with the example) decreases muscle soreness

static stretching

(Match the type of stretching with the example) engages the Golgi tendon organ

static stretching

stretching that involves no movement during the muscle stretch

static stretching

stretching that is usually used to gain long-term flexibility:

static stretching


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