. . SPORTS MEDICINE: Exercise Won't Bring You to Your Knees . . Exercise Won't Bring You to Your Knees By JOE BUABENG McClatchy-TribuneKansas City Tribune http://www.kansascity.com/2011/03/16/2729145/ exercise-wont-bring-you-to-your.html
A shorter URL for the above link: http://tinyurl.com/4dkyzos . .If you regularly work out at a moderate or intensive level, you may be concerned as many people are that exercise could "wear and tear" your knee joints.
.You can relax - new research published recently in the scientific journal of the American College of Sports Medicine, the largest sports medicine and exercise science organization in the world, shows that physical activity is actually beneficial to your knees.
.The main concern has always been that vigorous exercise could cause bony spurs called osteophytes, an overgrowth of bone tissue which develops in deteriorating joints and tendons. But these new findings clearly show that physical activity, if done correctly, is not harmful to the knees.
.According to the research, spurs may be the body's healthy response to ongoing stimulation from physical activity. As a matter of fact, rather than hurting the knees, exercise has been shown to cause fewer injuries to the knee's cartilage, a flexible connective tissue found in joints between bones.
. . The complete article may be read at the URL above. . . What Is the Effect of Physical Activity on the Knee Joint? A Systematic ReviewURQUHART, DONNA M.1; TOBING, JEPHTAH F. L.1; HANNA, FAHAD S.1,2; BERRY, PATRICIA1; WLUKA, ANITA E.1,2; DING, CHANGHAI1,3; CICUTTINI, FLAVIA M.1
Medicine & Science in Sports & Exercise: March 2011 - Volume 43 - Issue 3 - pp 432-442 doi: 10.1249/MSS.0b013e3181ef5bf8 Epidemiology http://journals.lww.com/acsm-msse/Abstract/2011/03000/ What_Is_the_Effect_of_Physical_Activity_on_the.8.aspx . A shorter URL for the above link: . http://tinyurl.com/4vl9ktq . From the Abstract . Results: .We found that the relationships between physical activity and individual joint structures at the knee differ. There was strong evidence for a positive association between physical activity and tibiofemoral osteophytes. However, we also found strong evidence for the absence of a relationship between physical activity and joint space narrowing, a surrogate method of assessing cartilage. Moreover, there was limited evidence from magnetic resonance imaging studies for a positive relationship between physical activity and cartilage volume and strong evidence for an inverse relationship between physical activity and cartilage defects.
. Conclusions: .This systematic review found that knee structures are affected differently by physical activity. Although physical activity is associated with an increase in radiographic osteophytes, there was no related increase in joint space narrowing, rather emerging evidence of an associated increase in cartilage volume and decrease in cartilage defects on magnetic resonance imaging. Given that optimizing cartilage health is important in preventing osteoarthritis, these findings indicate that physical activity is beneficial, rather than detrimental, to joint health.
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