Answer 3 Carpal tunnel syndrome. The Tinel’s sign is elicited by percussing lightly over the median nerve in the carpal tunnel. The numbness and tingling develop over the distribution of the median nerve, which includes the palmar surface of the thumb, index finger, middle finger, and the lateral aspect of the fourth finger. Note: the lateral aspect of the fourth finger refers to the side nearest the third digit. Standard anatomical position assumes the palms forward. Click here to return to the questions

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