Hand and Wrist Carpal Tunnel
 

Carpal Tunnel: What is it?

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What is the Carpal Tunnel?
  • The carpal tunnel is a passageway in which the nine flexor tendons, median nerve, arteries, blood and lymphatic vessels pass through in order to supply function and movement to the fingers and wrist.
  • The carpal bones line the carpal tunnel on the posterior surface (backside) of the wrist with the transverse carpal ligament positioned on the anterior (front side) of the wrist. The size of the carpal tunnel is about the size of the index finger in diameter, and the flexor tendons, arteries and nerves glide past one another with ease in a carpal tunnel that has not decreased in size.
  • Carpal tunnel syndrome refers to symptoms caused by entrapment of the median nerve in the carpal tunnel. "Carpal" itself means "wrist," so a carpal tunnel is nothing more than a wrist tunnel. This particular tunnel can be a crowded place, as it contains not just the median nerve, but nine tendons as well. The "syndrome" consists of some combination of pain, numbness and weakness.
  • There are 8 bones in our wrists called carpals. They form a tunnel like structure. That is how carpal tunnel got its name. Finger movements are controlled by flexor tendons, which are found within this tunnel. The median nerve reaches sensory cells in the hand, through this pathway of tunnel.
  • The carpal tunnel is a hollow tunnel formed by the carpal bones and the surrounding tissues of the wrist.  This tunnel protects the median nerve that makes your thumb, index, middle and ring fingers its feelings. And it is said that carpal tunnel syndrome starts when the median nerve gets compressed, this causes pain, a tingling sensation, and/or weakness in the forearm and hand.
  • Carpal tunnel syndrome is a disorder affecting the median nerve, which supplies function to the thumb, index, middle and one half of the ring finger. Usually the symptoms are most prevalent in the thumb, index and middle fingers (Sometimes one-half of the ring finger) and include numbness, tingling, paresthesia (pins and needles), pain and tightness in the front of the hand, wrist and forearm.
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