It's not at all unusual for it to take longer to achieve extension than flexion. And, as you know, there's no need to rush, no "window of opportunity".
This article suggests a few ways you can help with extension. As always, just do a few exercises, gently.
Extension: how to estimate it and ways to improve it
This article suggests a few ways you can help with extension. As always, just do a few exercises, gently.
Extension: how to estimate it and ways to improve it
New Zealand
