How to Lower Your Risk of Carpal Tunnel Syndrome: ​Don’t Blame Your Job or Screens for That Painful Wrist or Hand Numbness by Dr. Alejandro Badia

Family Health
19 days ago
How to Lower Your Risk of Carpal Tunnel Syndrome: ​Don’t Blame Your Job or Screens for That Painful Wrist or Hand Numbness

It is natural to want to ascribe a simple cause to a problem. If your wrist hurts or your hands are numb it must be because of typing. Don’t blame that painful wrist on any physical requirements of your job, including time spent on a computer keyboard or other device. That’s because the problem – carpal tunnel syndrome – is more likely due to hormonal changes, underlying inflammatory diseases or simple wrist anatomy.

The syndrome occurs when the median nerve, extending from the forearm to the hand through the narrow tunnel of bone and ligaments on the wrist’s palm side, becomes pinched and inflamed from irritated tendons or other conditions that cause swelling in the wrist canal. Symptoms, which begin gradually and worsen over time, include:

  • wrist or forearm pain
  • persistent burning, tingling or numbness in the fingers
  • decreased hand strength

The National Institutes of Health reports women are three times more likely than men to experience carpal tunnel syndrome. The higher risk among females is likely due to their anatomically narrower wrist channels and the disorder’s suspected relationship to metabolic and hormonal-level changes during pregnancy and menopause.

Hormones are chemical substances that impact every organ and structure in the body. Variations in the levels of these substances – such as what occurs in menopause and pregnancy – can lead to fluid retention and thicken the extracellular matrix in the wrist, resulting in pressure on the median nerve. Statistics indicate that 20 percent or more of pregnant women develop carpal tunnel syndrome.

Other conditions increasing risk among both sexes, researchers say, are wrist injury, inflammatory and nerve-related diseases like rheumatoid arthritis and diabetes, and a dysfunctional thyroid. The thyroid controls metabolism – how the body utilizes energy from food.

Repetitive Wrist Movements

What studies fail to show conclusively is any defined relationship between constant use of the wrist and development of carpal tunnel syndrome. Repetitive wrist activities – like typing on a computer keyboard or handling a cash register – may further aggravate symptoms but are not linked to actual development of the syndrome. The "myth" that workplace responsibilities cause the problem has resulted in misdirection of billions of dollars into workers’ compensation to treat a condition that commonly occurs in the general population and is unrelated to on-the-job requirements.

In fact, carpal tunnel syndrome is described as far back as 1025 AD when medieval Persian physician, Avicenna, correctly detailed the wrist problem in his book Canon of Medicine, according to authors of a 2018 article in Integrative Medicine Research. Avicenna suggested that chronic nerve impingement in the wrist is due to both physical disorders and lifestyle factors, such as improper nutrition and lack of sleep.

Whatever causes the syndrome, I encourage early diagnosis. If left untreated, the syndrome can eventually make it difficult for patients to form a fist, coordinate their fingers and do simple, manual tasks like buttoning a shirt or blouse. The disorder may even lead to a wasting of muscle at the base of the thumb.

Initial, recommended therapies tend to be conservative, involving wrist splints at night, anti-inflammatory medications and injection of corticosteroids. Some studies have supported the use of vitamin B6 and or B12.

Carpal Tunnel Surgery 

Should the problem persist, the nerve compression prove severe enough or a physician determine the syndrome is causing deterioration of hand muscles, then minor procedure may be proposed. 

The procedure is performed in an outpatient setting under local anesthesia. It involves dividing the ligament that serves as the roof of the carpal tunnel to increase space in the wrist canal and take pressure off the nerve. Using a recent treatment breakthrough called endoscopic release, the surgeon can divide the carpal tunnel ligament through a tiny cut in the crease of the wrist without making a larger, open incision.

Reducing Your Risk of Carpal Tunnel Syndrome

Carpal tunnel syndrome cannot always be prevented, but risks may be reduced with these tips:

  • Be cautious of hand position during sleep. When sleeping the hand is typically closer to the hear which can cause fluid to pool in the wrist canal.
  • Relax grip when using tools, pens or other items.
  • Be aware of posture while walking or sitting. Hunching places strain on arms, wrists and hands. Avoid bending the wrist too high or too low.
  • Take breaks when doing any prolonged activities involving hands or wrists.
  • Keep hands warm in a cold environment. Cold hands are a risk factor for developing carpal tunnel syndrome.

The information on 30Seconds.com is for informational and entertainment purposes only, and should not be considered medical advice. The information provided through this site should not be used to diagnose or treat a health problem or disease, and is not a substitute for professional care. Always consult your personal healthcare provider.

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Elisa All Schmitz 30Seconds
Oh, wow. This is so helpful, Dr. Alejandro Badia . I was recently diagnosed with tendonitis in my right hand/wrist, and thought it might be carpal tunnel syndrome from all the computer work I do. So good to know that other factors may be at play here, including hormones! I am wearing a wrist splint at night, just as you described. Thank you for sharing this very important info, and welcome to 30Seconds. We look forward to learning more from you! Donna John
Tribe
I didn't realize this, thanks.

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