Why is my father having pain on the side he lost strength from? His stroke was 3 years ago he says he feels pain on his left leg and also on his left side under his armpit. Now that he's able to move and walk more he feels pain. Before he exercised more it didn't hurt, but now it does. Why?
Answer: There could be a variety of factors why pain increased after movement was gained including fatigue, spasticity, nerve pain, return of sensation, etc. I wouldn't be able to say for sure why pain started after movement returned, but here are some of the webpages on stroke-rehab.com that address pain issues: