Is Stretching Exercise?
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1
muscle fibers
5
myofibrils
6
scarring
4
small sections in a muscle cell that move when a muscle is being used
3
stretching
3
the cells that make up a muscle
True
Flexibility activities should be recorded in your activity log.
increase flexibility
If stretching is done during the cool-down, it can help the muscle _.
2
a by-product produced in the muscles during exercise
2
lactic acid
increases blood flow to the muscles, helps heal the muscles, lengthens the myofibrils
Why is stretching considered exercise?
1
activities that improve the health of heart, lungs, muscles, and joints of a person
5
how far in any direction a part of the body is able to move
4
range of motion
exercise
Muscle fibers move back and fourth during _.
