My dad did a sit down mri because he is very claustrophobic. He was very uncomfortable - it was all steel he was sitting on so it was hurting his back so he would shift himself - so no good - they were not spasms. In the past he had the cat scan done without contrast (they said not safe for him at his age to do a contrast). They did mention they saw old TIAs. I think my dad was just traumatized and is afraid. However, his walking with the rolo walker has been decreasing. The PT therapy ended and we are trying to get it resumed. We do as much with him on our own but he just doesn't want to now. We put him on depression medicine to see if his attitude would change. So far not really. He really just wants to be able to walk but won't do the work to get there. I guess being 91 and tired I could understand but I'm not giving up! I will send him your wishes. Thank you for your kind words!