So escalators…

I was in Edinburgh a few days ago, and at the train station, I couldn't find the lift, so I took the escalator. It was a big mistake. Almost all the way up, I felt like I might fall backwards at any moment, which was quite frightening. Is this related to my dyspraxia or something else? I felt completely unbalanced. Meanwhile, my elderly father with mobility issues walked up the escalator without any problems.