Sunshine Can Increase Your Muscle Strength

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    Sunshine Can Increase Your Muscle Strength


    Provided by Optimal Wellness Center / Mercola.com on 9/18/2004
    by Dr. Joseph Mercola


    Researchers have linked vitamin D concentrations greater than 40 nmol/L with improved lower extremity function in ambulatory patients age 60 and older, regardless of calcium intake, activity level, sex, age, race or ethnicity.

    In the past, vitamin D has been shown to maintain calcium homeostasis and improve bone density, lowering the risk of fractures. Results of this published survey suggest vitamin D bolsters muscle strength and function, therefore decreasing the chance for falls that may lead to fractures.

    Researchers examined the relationship between vitamin D levels and muscles strength and function in 4,100 subjects, about half men and half women, age 60 and older, with the mean age being about 71.

    Vitamin D -- also known as 25-hydroxyvitamin D or 25(OH)D -- concentrations were measured in all participants, who were then classified into five groups, or quintiles, according to their vitamin D level. Participants also were classified by activity level. About 75 percent of them were active, meaning they had walked one mile without stopping, swam, jogged, bicycled, danced, exercised or gardened in the previous month. Those that had not, about one in four, were considered inactive. Researchers also controlled for calcium intake, sex, age, race or ethnicity.

    Using a timed 8-foot walk test and a repeated sit-to-stand test, investigators assessed each subject's lower extremity functionality. Those who performed the tests in a shorter amount of time were judged as having better muscle strength and functionality.

    Subjects in the highest quintile of vitamin D concentration had a mean 5 percent decrease in time of 0.27 second in the 8-foot walk test compared to those in the lowest quintile. For the sit-to-stand test the highest quintile of participants had a mean 3.9 percent decrease of 0.67 seconds compared to the lowest group.

    Therefore, researchers associated higher vitamin D concentration with improved lower extremity function. The best results were seen in subjects with levels from 22.5 to 40 nmol/L. Positive results were also seen in the 40-90 nmol/L range.

    Researchers summarized that in both active and inactive subjects, those with higher concentrations have better musculoskeletal function. They noted that while concentrations of 40 nmol/L or greater are desirable for optimal function, concentrations as high as 100 nmol/L appear advantageous.

    They went on to conclude that vitamin D supplementation may offer a way to improve lower-extremity function in both active and inactive elderly subjects.

    American Journal of Clinical Nutrition September 2004 80(3):752-758

    Dr. Mercola's Comment:

    It is well documented that vitamin D helps prevent osteoporosis. What most conventional doctors either do not know or do not tell you is that vitamin D can be beneficial for those at risk for or suffering from:

    Diabetes Heart disease Cancer Rheumatoid Arthritis Multiple Sclerosis Now you can add another role for vitamin D, which is ideally obtained from unobstructed sunlight on large amounts of exposed skin, as long as it does not result in any burning. Unfortunately, many Americans do not get enough vitamin D, largely because of so-called experts' recommendations to avoid all sun exposure.

    In turn, many Americans are deficient in vitamin D, which puts them at risk for a myriad of problems, including muscle strength. As I have been saying for years now, vitamin D is an extremely important nutrient and you must optimize your levels if you want optimal health.

    Winter, when sun exposure is at its lowest, is the time of year when you need to be most concerned about the amount of vitamin D you are receiving. Although the majority of Americans are deficient in vitamin D during the winter, it is essential to understand that in order to know how much vitamin D you should be taking, you should get your blood level checked.

    Unfortunately, very few doctors do the blood test for vitamin D. To find out how and why to get tested read my article Test Values and Treatment for Vitamin D Deficiency.

    The best way to supplement the sun's vitamin D is to take a high-quality cod liver oil.

    I also recommend that you read "The UV Advantage" to learn how to use the sun to stop disease and feel great.
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    Bobo be careful with that information I'm not sure if you should of posted it! A govt agency may have read this and noticed it could benefit the muscle hence the new motion from senate to ban the sun, those bastards.
  3. I am faster than 80% of all snakes
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    LOL...
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    You guys are my sunshine..aawww!

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