What Could Persistent Vibration And Shakiness In Hands And Fingers Indicate?

hello , my age is 23 yrs . i am noticing some shaky type of feeling into my left hand and fingers . i am feeling like something is virating into my arm . actually i exercised after a long period of time . but its been 10 days , shakiness feeling is not going away . i also masturbate every day . plz let me knw the solution for this?