exercise Flashcards
activities that improve the health of the heart, lungs, muscles, and joints of a person
exercise
a by-product produced in the muscles during exercise
lactic acid
the cells that make up a muscle
muscle fibers
small sections in a muscle cell that move when a muscle is being used
muscle myofibrils
how far in any direction a part of the body is able to move
range of motion
cells in the muscles
muscle fibers
removed by the blood
lactic acid
improves the health of the muscles
stretching
how far a body part can move in any direction
range of motion
can be damaged during exercise
myofibrils
injury and shortening of the myofibrils
scarring
Why is stretching considered exercise?
helps heal the muscles
lengthens the myofibrils
increases blood flow to the muscles
Muscle fibers move back and forth during _____.
exercise
Flexibility activities should be recorded in your activity log.
True
If stretching is done during the cool-down, it can help the muscle _____.
increase flexibility
