Really hard to say from just that, what do you define as abnormal exercise? Couple of thoughts: 1. PEM is triggered by things that would be fine for a normal

Really hard to say from just that, what do you define as abnormal exercise? Couple of thoughts: 1. PEM is triggered by things that would be fine for a normal person (walking to car, standing in a line, etc). Over exercising is definitely a thing, but it's not the same as PEM 2. Does the following fatigue cause significant impairment, and does it last for a few days? There's some other criteria, but those are the first cut.