Safe Exercises For Spondylolisthesis What Exercises Are Safe For Someone With Spinal Stenosis (L2, L3), Spondylolisthesis, AND Osteopenia?

What exercises are safe for someone with spinal stenosis (L2, L3), spondylolisthesis, AND osteopenia? - safe exercises for spondylolisthesis

I know that the curvature of the spine, good for relieving the pressure from spinal stenosis, but I understand it is dangerous for a person with osteopenia, because they can cause bone fractures. I'm interested in the exercises that keep muscles strong synchronous master.