Link — Flexy Teens

There is a point of diminishing returns. For a soccer player, too much passive hamstring flexibility reduces the "spring" in their stride, making them slower. For a swimmer, excessive shoulder flexibility (beyond 180 degrees) can lead to chronic instability.

Strength at end range. If a teen can do a split, they must be able to lift their front leg off the floor in that split. That is active flexibility. flexy teens

It is important to note that flexibility is not a competition. Social media is filled with performing contortionist tricks for likes. Remember: Range of motion is a tool, not a trophy. There is a point of diminishing returns