Difficulty Walking After Sitting Down. Over Two Years Of Symptoms.

difficulty walking after sitting down. over two years of symptoms. Orthopedic doctor - moderate arthritis, sciatica. Neurologist next - said I had spinal stenosis. doing physical therapy. Now I see that FAI fits my problem. Neurologist asking for MRI - femor necrosis? Am I going in the right direction. 75 old. problem occurred afte travel, developed Lyme, etc.