Is housework a health hazard? Sheet-fitting palsy described

What do a tight, fitted bed sheet and a blood clot in the wrist have in common? Both are associated with a condition called sheet fitting palsy. True to its name, the palsy is reported in those who spend a long period of time repeatedly trying to pull a fitted bed sheet over the corner of a mattress. But it has also been reported in basketball players and in those who do push-ups as exercise.

The injury is caused by the continuous flexing movement of the wrist and results in a tiny stroke in the artery to the hand. The resulting clot cuts off blood flow to the median nerve and produces symptoms that include or weakness.

A case study was described recently by Wake Forest Baptist Medical Center neurologist Francis O. Walker, M.D., and colleagues, and published in the September edition of the journal, Clinical .

The case involved a fit and active 73-year-old woman, who was a bit miffed last fall when she had to depend on her to help her with some . No matter how hard she tried, she couldn't slip the last corner of a fitted sheet over a mattress. Sometimes she noticed a 'pins and needles' feeling in her hand, but didn't think anything of it. After shaking her hand for a while, the numbness would go away.

A few weeks later, facing the fitted sheet task without her granddaughter to help her, the woman tried for some time to move the sheet over the mattress without success. When she moved her hand from the sheet her thumb dropped down, limp. That's when she called her doctor, Mary F. Lyles, M.D.

On examination, Lyles saw that her patient had lost most of the ability to perform simple tasks such as tying a shoelace or buttoning a sleeve with her right hand. Suspecting acute carpel tunnel syndrome, Lyles called on Walker to perform and image the hand using ultrasound. Few physicians have seen what Walker saw in the study. "High resolution color flow Doppler showed a rare persistent median artery that had blood flow in it in the forearm, but not at the wrist where it was next to a swollen, injured, median nerve." The patient is among the five percent of people who have persistent median artery, a vessel that usually disappears after birth.

Shortly after her tests, the patient underwent surgery to relieve some of the pressure on the nerve, but her limp thumb persisted. The woman's surgeon advised her to strengthen the thumb by going through the motions of performing her everyday activities. Even if a patient can't do them, trying the daily tasks can help. Little by little, the strategy worked. At first she was successful picking up a paper clip. When she could open and close a chip clip, she knew she was back to normal. It had taken nearly a year for the nerve in the wrist to grow the new pathways that allowed her thumb to function.

For those with persistent median artery, repetitive motion can mean trauma to the wrist and lead to severe symptoms of carpal tunnel syndrome. And something as simple as making a bed can be a hazard, especially if the fitted sheet does not fit.

add to favorites email to friend print save as pdf

Related Stories

New surgical option for wrist arthritis

Feb 14, 2009

Breaking a fall, such as a tumble on the sidewalk, with your hands and wrists is everyone's natural reflex. But, if you fall hard enough, you'll often fracture your radius bone, or even one of the smaller wrist bones and ...

Recommended for you

Two expats die of MERS in Saudi commercial hub

3 hours ago

Two foreigners died of MERS in the Saudi city of Jeddah, the health ministry said Saturday, as fears rise over the spreading respiratory virus in the kingdom's commercial hub.

UAE reports 12 new cases of MERS

3 hours ago

Health authorities in the United Arab Emirates have announced 12 new cases of infection by the MERS coronavirus, but insisted the patients would be cured within two weeks.

Filipino tests negative for Middle East virus

15 hours ago

A Filipino nurse who tested positive for the Middle East virus has been found free of infection in a subsequent examination after he returned home, Philippine health officials said Saturday.

User comments