@alfie13 If you want to add more info, this article and it's linked studies are a good place to start. https://deansomerset.com/when-and-how-static-stretching-can-actually-work/
You could also cover the difference between flexibility and mobility, passive vs active ranges of motion, and the role of the brain in moderating muscle tone and joint positioning, as well as the different reasons for a muscle getting tight in the first place
You could also cover the difference between flexibility and mobility, passive vs active ranges of motion, and the role of the brain in moderating muscle tone and joint positioning, as well as the different reasons for a muscle getting tight in the first place