You may use a certificate of citizenship or a naturalization certificate, to prove that you are a US citizen. But both the documents are not the same. A US citizenship certificate is granted to a person who acquires or derives citizenship from his US citizen parents.
Causes Of Twitching Of Fingers And Thumb. 1  Carpel tunnel syndrome causes twitching of muscles as the median nerve through the carpel tunnel becomes compressed. 2  A less disconcerting cause is muscle cramps that happen when small muscles in the hand contract.
One of the most common causes of twitching fingers, is nutritional deficiency. Your blood stream, skeletal system, muscles, and nervous system in the hand, wrist, fingers, and all structures within the hand are probably the most used components of the human body.ne of the most common causes of twitching fingers, is nutritional deficiency. Your blood stream, skeletal system, muscles, and nervous system in the hand, wrist, fingers, and all structures within the hand are probably the most used components of the human body.