<span>No, not at all. Otherwise, beverages like Kahlua wouldn't be legal to sell due to the possible dangers of internal curdling</span>
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! :)
Muscular Endurance i believe.
about one meter long and 5 cm wide
The answer to this question is true
