Running can reduce joint inflammation

In a study, the researchers measured inflammation markers in the knee joint fluid of several healthy men and women aged 18-35, both before and after running.

By: ANI | Washington | Published:December 11, 2016 9:48 pm

In a recent research published in European Journal of Applied Physiology, exercise science professors found that pro-inflammatory molecules actually go down in the knee joint after running. In other words, it appears running can reduce joint inflammation. “It flies in the face of intuition,” said study’s coauthor Matt Seeley. In a study, the researchers measured inflammation markers in the knee joint fluid of several healthy men and women aged 18-35, both before and after running.

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The researchers found that the specific markers they were looking for in the extracted synovial fluid, two cytokines named GM-CSF and IL-15–decreased in concentration in the subjects after 30 minutes of running. When the same fluids were extracted before and after a non-running condition, the inflammation markers stayed at similar levels. “What we now know is that for young, healthy individuals, exercise creates an anti-inflammatory environment that may be beneficial in terms of long-term joint health,” said study lead author Robert Hyldahl.

Researchers said the study results indicate running is chondroprotective, which means exercise may help delay the onset of joint degenerative diseases such as osteoarthritis. This is potentially great news, since osteoarthritis–the painful disease where cartilage at the end of bones wears down and gradually worsens over time–affects about 27 million people in the United States.

“This study does not indicate that distance runners are any more likely to get osteoarthritis than any other person,” Seeley said. Adding, “Instead, this study suggests exercise can be a type of medicine.”

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