Lumbar extension reduces space for the lumbar nerve roots and can create nerve symptoms in some people, especially people who have stenosis. If this movement is causing numbness, I would remove it from your program and focus on the lumbar flexion mobility exercise (double-knee-to-chest). Does that make sense?
Replied on Start Here - How to Use the App
03 Apr 09:14
You’re welcome! I hope the app and programs are helping you so far.