Stretching that is characterized by a "bouncing" action is called
Ballistic stretching.
It helps efficiently to increase your range of motion but is known to create an injury. That's why they tell you NOT to do this specific exercise, unless you have a professional trainer with you that can help you.
Anyways, Good Luck! :)
The young person or child's peers and surroundings. They could be paying attention to everyone and everything around them who is daring, taking it in and wanting to try it. Or having a childhood's worth of overprotectiveness and wanting to break out of that.
If you plan on going for a run during a high pollution advisory your body will require more o2 to be able to produce more energy to keep doing that activity and of all your breathing in is chemicals and co2 if will effect your lungs and heart with poison
(hope this helps)<span />
You can consume 2 servings, each serving is 100, and you can consume 200 snack calories.