Arthritis Hand Condition_symptoms Do I Have Hand Arthritis Or Something Else?

Do I have Hand Arthritis or something else? - arthritis hand condition_symptoms

Since I started playing guitar, my Rose was on his own motion, a kind of spasm or movement of other fingers. Sometimes when I make a search engine heavy guitars that I my little finger at harvest, and all my weight on it that might have caused.
What could that be?