| Carpal Tunnel Syndrome (CTS) is a condition that results when the median nerve does not work properly. The median nerve runs into the hand to supply sensation to the thumb, index finger, and half of the ring finger, as well as a branch to the muscles of the thumb.
CTS is indicated by some or all of these symptoms: pain, tingling, and numbness in the thumb, index, middle and ring fingers, tingling in your entire hand, pain that shoots from the hand up the arm as far as the shoulder, and/or a swollen feeling in your fingers, even though they may not be visibly swollen.
At first, the symptoms come and go. When the hand is rested, there may be no symptoms. As the condition worsens and pressure on the nerve becomes greater, the person may experience numbness all the time.
Causes may include wrist injuries, arthritis-related diseases, and work activities and hobbies that require highly-repetitive wrist or finger motion, especially in combination with forceful pinching or gripping or activities involving vibrating hand tools or instruments that put pressure at the base of the palm.
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What is Carpal Tunnel Syndrome?
