dysmetria like symptoms in leg?


My left leg is slow to respond, for example I play drums (sorta) but I can no longer keep beat on the high hat because my leg responds too slowly. I have massive problems with the corresponding hip as a result of reiter’s syndrome (an autoimmune deficiency that produces joint inflammation)

I have had a brain CAT scan and there were no abnormalities (it was thought I might have gotten Multiple sclerosis from a TNF blocker (Embral, Humera) so what could it be? Something to do with nerves?
Any suggestions are welcome.
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That’s what I meant MRI they slide you inside a big tube takes 30 minutes costs 00

Around here all the Chiropractors became PT so you don’t get therapy you get quackery. I’ve been to two PT’ both wanted to hook me up to machines and electrocute my muscles. Thank you very much.