What are exercises I can do if I have spinal stenosis (l2, l3), spondylolisthesis, and osteopenia?

Several. Weight bearing exercise will increase your bone mass. Since you have stenosis exercises with you sitting or flexed would be comfortable like a bike or on a treadmill with an incline. Yoga and pilates for core stabilization as well.

Related Questions

What exercises are recommended for someone with spinal stenosis (l2, l3), spondylolisthesis, and osteopenia?

Core stabilization. Best to see a physical therapist to get good instructions on core stabilzation exercises. Read more...
Several. Weight bearing exercise will increase your bone mass. Since you have stenosis exercises with you sitting or flexed would be comfortable like a bike or on a treadmill with an incline. Yoga and pilates for core stabilization as well. Read more...