Welcome to HCM
We understand your concerns
Is your problem that much a trouble for you? I understand. The inability to clunch your right hand fist could be due to nerve
inury along, recent or old injury
of the hand knuckles or psychological. May be you should visit a neurologist
Therefore, You can just ignore the problem and lead a normal life because the problem is not that a "problem". Or find a neurologist for further advice. Get well soon.