Physical Fitness Unit 2 Quiz 2
the cells that make up a muscle
muscle fibers
activities that improve the health of the heart, lungs, muscles, and joints of a person
exercise
improves the health of the muscles
stretching
Muscle fibers move back and forth during _____.
exercise
(Match the phrase with the correct benefit of stretching) better mood
improved ability to relax
(Match the phrase with the correct benefit of stretching) lowers blood pressure
improved ability to relax
(Match the phrase with the correct benefit of stretching) fewer leg cramps
improved circulation
(Match the phrase with the correct benefit of stretching) warmer feet
improved circulation
(Match the phrase with the correct benefit of stretching) less back pain
improved posture
(Match the phrase with the correct benefit of stretching) stronger pairs of muscles
improved posture
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
(True or False) Flexibility activities should be recorded in your activity log.
True
(True or False) Stretching can help lower blood sugar levels.
True
pairs of muscles that move parts of the body in opposite directions
antagonistic muscles
(Match the phrase with the correct benefit of stretching) greater range of motion
decreased joint stiffness
(Match the phrase with the correct benefit of stretching) less pain with movement
decreased joint stiffness
a by-product produced in the muscles during exercise
lactic acid
removed by the blood
lactic acid
What are the benefits of stretching?
makes you stand straighter, prevent leg cramps, helps you sleep better
cells in the muscles
muscle fibers
small sections in a muscle cell that move when a muscle is being used
muscle myofibrils
can be damaged during exercise
myofibrils
Antagonistic muscles move a body part in _____.
opposite directions
the way you hold your body when you stand or sit
posture
how far a body part can move in any direction
range of motion
how far in any direction a part of the body is able to move
range of motion
injury and shortening of the myofibrils
scarring
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
