With so much attention and hype the past 10-years concerning carpal tunnel syndrome in the workplace, you would think that a clear-cut picture would exist regarding the “how's” “why's” and “what is it's” of carpal tunnel. Although carpal tunnel syndrome should be easily recognizable with such extensive media exposure, you would be amazed at how many people, including a lot of doctors, who do not recognize the symptoms or misdiagnose it as something other than carpal tunnel syndrome.
In order to provide a more clear picture of what carpal tunnel is, why and how it develops and what can be done to eliminate it, I have provided information below to explain the process so that you can better identify and therefore prevent carpal tunnel syndrome from taking over your life.
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.
How Does Carpal Tunnel Syndrome Develop?
Because the finger and wrist muscles are constantly overused in one-way movement patterns, (Gripping, squeezing, typing, etc.) a "muscle imbalance" develops, causing the carpal bones to shift, in turn, making the carpal tunnel smaller and impinging the structures within, resulting in painful and debilitating symptoms.
What are the Symptoms of Carpal Tunnel Syndrome?
· Tingling
· Numbness
· Paresthesia (Pins & needles)
· Loss of grip-strength / coordination
Sensations involving tightness, discomfort, stiffness and pain on the front side of the hand and wrist may be present in carpal tunnel, but may also be symptoms of a general repetitive strain injury.
The only true telltale signs of carpal tunnel syndrome that you need to be aware of affect the thumb, index, middle and sometimes one-half of the ring finger. (All of the fingers and symptoms listed do not have to be experienced simultaneously for you to have carpal tunnel syndrome.)
If you have symptoms in your entire ring and/or little finger and your doctor tells you that you have carpal tunnel syndrome, you don't! The ULNAR nerve supplies function to the ring and little finger and has nothing to so with carpal tunnel syndrome. (If the ring and/or little fingers are affected, it may either be Cubital Tunnel Syndrome or Guyon's Syndrome)
How Are the Symptoms of Carpal Tunnel Syndrome Eliminated?
Carpal tunnel syndrome can quickly and easily be eliminated by performing a good stretch and exercise program that addresses the existing muscle imbalance that is the cause of carpal tunnel in most cases.
Staying Symptom-Free:
Knowing why carpal tunnel syndrome develops and what to look for is the key to keeping your hands healthy. With the information provided above you should now be able to recognize the disabling symptoms and take the steps necessary in order to stop it before it stops you!
Carpal Tunnel Syndrome Alternative
What is agreed upon is the fact that the flexor tendons and median nerve are operating in a much smaller space than they were prior to the onset of symptoms. Many professionals state that it is the swelling of the involved tissues that is diminishing the space and others say that is caused by a muscle imbalance between the flexor and extensor muscles that is causing the carpal bones to shift into the carpal tunnel, making the carpal tunnel much smaller.
After much research, my opinion is that the swelling is a “secondary effect” of the nine flexor tendons and median nerve having to glide through the carpal tunnel which has decreased in size due to a muscle imbalance*.
How does the carpal tunnel decrease in size? The carpal tunnel decreases in size because the flexor muscles that ‘close' the hands are exercised on a daily basis with virtually every activity we perform, and they become stronger, shorter and tighter than the extensor muscles that ‘open' the hands, thus causing the carpal bones to shift inward, collapsing the carpal tunnel and making it smaller. As the tendons and median nerve slide back and forth in the much smaller space, friction between the tissues occurs.
What does friction in the carpal tunnel cause? Friction between flexor tendons and median nerve within the carpal tunnel causes inflammation and swelling, which puts pressure on the median nerve, resulting in carpal tunnel syndrome. This is the reason that surgeons sever the carpal ligament, making more room for the flexor tendons and median nerve to move around in. If the carpal tunnel is returned back to its original size, prior to the onset of symptoms, the friction and swelling is eliminated and the symptoms disappear.
Continually performing repetitive wrist and finger flexion while symptoms are already present will ultimately aggravate the existing condition even more and lead to possible irreversible damage of the flexor tendons, blood vessels and median nerve within the carpal tunnel.
How can the carpal tunnel syndrome be eliminated? By stretching and lengthening the overly restrictive flexor muscles that ‘close' the hands and strengthening and shortening the extensor muscles that ‘open' the hands, the carpal tunnel can return to its normal size, decreasing impingement of the tendons and median nerve, which also eliminates friction and causes the carpal tunnel symptoms to disappear.
Now is the time to take the steps to prevent and/or eliminate carpal tunnel syndrome by starting a stretch / exercise program for your hands. Speak with your doctor or contact a certified therapist today to implement a good stretch and exercise program to keep you strong, healthy and injury-free!
Jeff P. Anliker, Lmt has sinced written about articles on various topics from Medicine, Other Conditions and Disease & illness. Jeff P. Anliker, LMT, is a Therapist and Inventor of Therapeutic Exercise Products that are utilized by Corporations, Consumers and Medical Facilities around the world.
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