Interesting Article by Rob Herbert, who is Senior Principal Research Fellow at Neuroscience Research Australia.

People stretch when they exercise or play sport. Others don’t stretch but feel they should. And some people don’t see any reason to stretch at all. The reasons for stretching are diverse. Most people think stretching makes them more flexible. Some believe stretching reduces the risk of injury, reduces soreness experienced after exercise, or enhances sporting performance. Optimists think stretching does all these things.

Source: Do You Need To Stretch Before And After Exercise? | IFLScience