Touch the End of Your Toes and You Will Know if You have a Heart Problem or Not (Read More)






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Stiffness in arteries—which often happens with age—is linked to a higher risk of heart attacks and strokes. A provocative new study published this year in the journal Heart and Circulatory Physiology suggests, however, that there may be a novel way to test at least one element of your heart’s health right in your own living room, right in the middle of the holidays. Sit on the floor with your legs stretched straight out in front of you, toes pointing up. Reach forward from the hips. Are you flexible enough to touch your toes? If so, then your cardiac arteries probably are also flexible.

Supple arterial walls allow the blood to move freely through the body. Stiff arteries require the heart to work much harder to force blood through the unyielding vessels and over time could, according to Kenta Yamamoto, a researcher at North Texas and lead author of the study, contribute to a greater risk of heart attack and stroke.


What the researchers found was a clear correlation between inflexible bodies and inflexible arteries in subjects older than 40. Adults with poor results on the sit-and-reach test also tended to have relatively high readings of arterial stiffness. In short, the study concluded that “a less flexible body indicates arterial stiffening, especially in middle-aged and older adults.” No such correlation was found in those under 40, even when gender and fitness were considered as factors.
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These results do not mean, of course, that people in the inflexible group were in imminent danger of a heart attack on Christmas Day. Arterial stiffening does not indicate or inevitably lead to arterial disease, Mr. Yamamoto emphasizes. In fact, some degree of arterial stiffening is inevitable with age. But the stiffer your arteries are, the less efficient your heart.


    “How it is that stiff muscles in the back and legs are linked to stiff tissues near the heart is an issue that hasn’t been fully elucidated, Mr. Yamamoto says, although arterial walls are composed of the same kinds of elastic tissues as muscles elsewhere in the body. “

So it’s likely, he says, that alterations in the composition of muscle tissues in the lower back (including age-related alterations in the amount of collagen within the muscles) could be occurring in the arterial walls at the same time.

What is surprising is some early indications that increasing your flexibility might somehow loosen up your arteries, too. That was the accidental and, as yet unreplicated finding of a small 2008 study at the University of Texas at Austin. The study was designed to examine whether weight lifting increased arterial stiffness. (It didn’t, at least on this occasion.) The control group consisted of people who stretched. They were not expected to show any change in cardiac function, but over the course of 13 weeks, they in fact, increased the pliability of their arteries by more than 20 percent.

Mr. Yamamoto and his colleagues are currently conducting an ambitious study to determine just how and whether stretching directly affects the arteries. The results won’t be available for some time. Until then, Mr. Yamamoto says, it’s best to consider your flexibility (or lack thereof) as a marker of your probable arterial elasticity.


    “If you can touch your toes in the sit-and-reach test, your flexibility is good,” he says.

If you can’t, you might consider talking to your cardiologist — although, remember, as Mr. Yamamoto points out that tight arteries are not necessarily diseased arteries. They’re just less than ideal fit.

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