A mother of four claims she is wearing an elastic hair band around her wrist, causing her permanent nerve damage.
Lisa McLennan, 47, was diagnosed with carpal tunnel syndrome earlier this year and believes that her habit of wearing scrunchies on her arm has made it worse.
The common condition is caused by the compression of a nerve in the wrist that can cause pain, tingling and possibly weakness in the arms and hands.
Mrs. McLennan became convinced that wearing a tight piece of elastic on her arm had caused the condition when a shopkeeper said her own doctor had told her not to.
There are no suggestions from health officials that wearing tight elastic or clothing around the wrist can lead to carpal tunnel syndrome.
Lisa McLennan, from British Columbia, Canada, said wearing scrunchies on her wrist has been contributing to her carpal tunnel syndrome for years, which is worst in her left arm
& # 39; I injured the tendon in my thumb and (the doctor) checked for carpal tunnel syndrome, & # 39; said Mrs. McLennan, from British Columbia in Canada.
& # 39; I was at the store a few days later and told the woman who worked there how my left wrist was worse than my right and she pointed to my elastic and said "stop it."
& # 39; She explained that a neurologist had told her not to do it because it can cause problems. & # 39;
Mrs. McLennan said she had worn the hair bands on her wrist since she was a teenager, which means they had been putting pressure on her arm for three decades.
And when she got pain in her wrist, she first thought it was arthritis, which she suffers from elsewhere.
But a visit to the doctor revealed that it was instead caused by carpal tunnel, which usually affects middle-aged women.
Mrs. McLennan first thought the pain in her wrist was arthritis, which she has in her neck, but a doctor diagnosed her with carpal tunnel syndrome earlier this year.
It is caused by pressure on the median nerve, which runs through the middle of the arm, through the inside of the wrist and in the fingers.
People who are overweight, pregnant, arthritis or have diabetes have injured their wrists or have to hold vibrating aids or flex their wrists for high-risk work, according to the NHS.
Although Mrs. McLennan admits to meeting several of these criteria, she remains convinced that the hair bands have aggravated the pain and numbness in her arm.
She said: & The pain disappears because so much damage has been done to my nerves.
& # 39; I'm too heavy now, but that wasn't when I was younger – I was pretty skinny, so the elastic fit looser.
& # 39; Don't do it, just not whether it causes problems or not. It is an easy solution; an easy, proactive way to save yourself pain later. & # 39;
Mrs. McLennan had not considered that the pieces of elastic were the cause of the carpal tunnel until a shopkeeper she knows, Helen (photo), said her own neurologist had told her there was a connection
Mrs. McLennan said that she no longer uses elastic hair bands and uses plastic clips instead
The NHS and Institutes of Health in the US do not mention external pressure on the wrist as a risk factor for carpal tunnel syndrome.
Pressure on the nerve is usually internal and is caused by swelling or muscle problems, they say.
But the prolonged wearing of something tight around the wrist can theoretically cause inflammation due to a turnstile effect.
Mrs. McLennan said that since then she has completely stopped using scrunchies to prevent her from wrapping the elastic around her hands.
The mother who stayed at home added: & # 39; It was just a habit, it was always on my wrist when it wasn't in my hair.
& # 39; I'm so aware now that I shouldn't do it, but I'm going to clean the house, find an elastic, and put it around my wrist. Then I think "oh no what am I doing?"
& # 39; I used a hair claw instead, so I don't put the elastic around my wrist. & # 39;
WHAT IS CARPAL TUNNEL SYNDROME?
Carpal tunnel syndrome is a common condition that is caused by pressure on a nerve in the wrist, usually imposed by internal swelling.
People with carpal tunnel are pain, tingling or numbness in the fingers, hands or arms and possible weakness in the thumb or problems with grasping.
The symptoms usually start slowly and are not always uncomfortable, but tend to come and go.
Although the condition can affect people of any age, it is more common in women and people in middle or older age.
Things that can increase the risk of developing carpal tunnel are obesity, arthritis or diabetes, a family history of the disorder, a job that requires a lot of wrists, holding grasping or vibrating objects, or a past wrist injury.
Possible treatments are wearing a wrist splint to keep the joint stable and straight, taking steroids to reduce swelling, and even surgery to relieve pressure on the nerve if other methods have not worked.
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