What is “Active Flexibility” and Why is It So Important? — Dani

While passive flexibility involves using external forces to help find a stretch, active flexibility involves using your muscles to support a stretch, or get stronger in that a stretched position.

Electrum Fitness

What is “Active Flexibility” and Why is It So Important? — Dani Winks Flexibility

Flexibility Exercises

How to get really flexible (contortion level) and what are the benefits of being really flexible - Quora

Passive Stretching is Not the Devil — Dani Winks Flexibility

Friendly reminder: stretching should never hurt! (And some more thoughts on stretching intensity) : r/flexibility

Work Your Active Split Flexibility with Front Split Slides — Dani Winks Flexibility

My Active Flexibility Routine

Modernize your stretching routine with dynamic flexibility training