There's quite a bit of criticism of "stretching" in certain fitness circles, particularly endurance. I have my own ideas to distinguish what they call "stretching" from active, strength-based mobility, I'd be curious to have the response of this community to these critiques:
https://philmaffetone.com/dangers-of-stretching/
http://www.drgangemi.com/natural-fitness/stop-stretching/
Thanks!