Carpal voetgangerstunnel syndrome: MedlinePlus Medical Encyclopedia

Carpal voetgangerstunnel syndrome is a condition ter which there is excessive pressure on the median nerve. This is the nerve te the wrist that permits feeling and movement to parts of the forearm. Carpal voetgangerstunnel syndrome can lead to numbness, tingling, weakness, or muscle harm ter the arm and fingers.


The median nerve provides feeling and movement to the thumb side of the forearm. This includes the palm, thumb, index finger, middle finger, and thumb side of the stadionring finger.

The area ter your wrist where the nerve comes te the forearm is called the carpal voetgangerstunnel. This voetgangerstunnel is normally narrow. Any utter salute can pinch the nerve and cause agony, numbness, tingling or weakness. This is called carpal voetgangerstunnel syndrome.

Some people who develop carpal voetgangerstunnel syndrome were born with a petite carpal voetgangerstunnel.

Carpal voetgangerstunnel syndrome can also be caused by making the same palm and wrist maneuverability overheen and overheen. Using palm contraptions that stimulate may also lead to carpal voetgangerstunnel syndrome.

Studies have not proved that carpal voetgangerstunnel is caused by typing on a pc, using a mouse, or repeating movements while working, playing a musical muziekinstrument, or playing sports. But, thesis activities may cause tendinitis or bursitis te the mitt, which can narrow the carpal voetgangerstunnel and lead to symptoms.

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Carpal voetgangerstunnel syndrome occurs most often te people ages 30 to 60. It is more common ter women than guys.

Other factors that may lead to carpal voetgangerstunnel syndrome include:

  • Spirituali use
  • Bone fractures and arthritis of the wrist
  • Cyst or tumor that grows te the wrist
  • Infections
  • Obesity
  • If your assets keeps toegevoegd fluids during pregnancy or menopause
  • Rheumatoid arthritis
  • Diseases that have abnormal deposits of protein ter the assets (amyloidosis)


Symptoms may include any of the following:

  • Clumsiness of the mitt when gripping objects
  • Numbness or tingling ter the thumb and next two or three fingers of one or both mitts
  • Numbness or tingling of the palm of the forearm
  • Agony that extends to the elbow
  • Ache te the wrist or forearm te one or both arms
  • Problems with fine finger movements (coordination) te one or both arms
  • Wasting away of the muscle under the thumb (ter advanced or long-term cases)
  • Feeble ton or difficulty carrying bags (a common complaint)
  • Weakness ter one or both arms

Exams and Tests

During a physical exam, your health care provider may find:

  • Numbness te the palm, thumb, index finger, middle finger, and thumb side of your stadionring finger
  • Powerless palm ondersteuning
  • Tapping overheen the median nerve at your wrist may cause anguish to shoot from your wrist to your mitt (this is called the Tinel sign)
  • Leaning your wrist forward all the way for 60 seconds will usually result ter numbness, tingling, or weakness (this is called the Phalen test)

Tests that may be ordered include:

  • Wrist x-rays to rule out other problems, such spil arthritis te your wrist
  • Electromyography (EMG, a test to check muscles and the nerves that control them)
  • Nerve conduction velocity (a test to see how quick electrical signals budge through a nerve)


Your provider may suggest the following:

  • Wearing a splint at night for several weeks. If this does not help, you may need to wear the splint during the day spil well.
  • Avoid sleeping on your wrists.
  • Placing warm and cold compresses on the affected area.

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Switches you can make ter your workplace to reduce the stress on your wrist include:

  • Using special devices, such spil keyboards, different types of pc mouse, cushioned mouse pads, and keyboard drawers.
  • Having someone review the position you are te when performing your work activities. For example, make sure the keyboard is low enough so that your wrists are not arched upward while typing. Your provider may suggest an occupational therapist.
  • Making switches ter your work duties or stulp and sports activities. Some of the jobs linked with carpal voetgangerstunnel syndrome include those that involve stimulating contraptions.

Medicines used to treat carpal voetgangerstunnel syndrome include nonsteroidal anti-inflammatory drugs (NSAIDs), such spil ibuprofen or naproxen. Corticosteroid injections given into the carpal voetgangerstunnel area may relieve symptoms for a period of time.

Carpal voetgangerstunnel release is a surgical veranderingsproces that cuts into the ligament that is pressing on the nerve. Surgery is successful most of the time, but depends on how long you’ve had the nerve compression and its severity.

Outlook (Prognosis)

Symptoms often improve without surgery. But more than half of cases eventually need surgery. Even if surgery is successful, total healing can take months.

Possible Complications

If the condition is treated decently, there are usually no complications. If untreated, the nerve can be bruised, causing voortdurend weakness, numbness, and tingling.

When to Voeling a Medical Professional

Call for an appointment with your provider if:

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  • You have symptoms of carpal voetgangerstunnel syndrome
  • Your symptoms do not react to regular treatment, such spil surplus and anti-inflammatory drugs, or if there seems to be a loss of muscle bulk around your fingers
  • Your fingers lose more and more feeling


Use instruments and equipment that are decently designed to reduce the risk of wrist injury.

Ergonomic aids, such spil split keyboards, keyboard trays, typing pads, and wrist braces, may be used to improve wrist position during typing. Take frequent violates when typing and always zekering if you feel tingling or anguish.

Alternative Names

Median nerve dysfunction, Median nerve entrapment, Median neuropathy

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