Central sensitization is a key concept and one of my takeaways from the migraine summit this year. There was a doctor in the summit who spoke about this in detail.
Cut and paste from Helen’s article as this reflects my reaction to exercise
regular mild aerobic exercise alters structures in the central nervous system47, 48 and leads to reductions in the pain of many conditions that are mediated by central sensitization. As such, mild aerobic exercise is used to treat chronic pain syndromes marked by central sensitization
I first came across the Central Sensitisation theory in relating to extreme photophobia. I had another brilliant article bookmarked on my old - now dumped - PC. Cannot remember how to find it again but this was next best things I;vevcome across. Helen