To warm up before a run, david begins by completing quad and hurdler's stretches which of these accurate evaluates his choice of warm-up activities?
a)these activities are appropriate because they prepare muscles for intense movement.
b)these activities are not appropriate because the musces stretched are not warm yet.
c)these activities are appropriate because they make the leg muscles more flexible.
d)these activities are not appropriate because they stretch muscles not used in the exercise.

Which of the following best describes sports protective equipment

1. body tissue that is connected to and moves the bones in the body hypertrophy 2. the ability of a muscle to move a weight repeatedly, or for an extended period of time tendon 3. the increase in the size of a muscle fiber in response to resistance training muscle strength 4. the most amount of weight a muscle can move at a single time skeletal muscles 5. the decrease in the size and strength of a skeletal muscle when it is not used atrophy 6. strong body tissue that connects the muscles to the bones muscle endurance

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