Definition: "An ergogenic aid is any substance or phenomenon that enhances performance "
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15.10.2010 |
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Glucosamine protects joints of strength athletes
In 2010 sports scientists at the University of Copenhagen produced evidence of what tens of thousands of athletes had already experienced for themselves. Glucosamine protects joints that do strength training.
Glucosamine
However, most of these studies have been done on people with advanced arthritis, whose joints are therefore already seriously damaged. These subjects have little mobility. Athletes with joint problems on the other hand react well to glucosamine.
Study
The experiment lasted 12 weeks. The subjects trained 3 times a week. They cycled for 10 minutes and then trained their leg muscles on the leg-extension and leg-press machines.
The ibuprofen group took 600 mg twice a day, and the glucosamine group took 500 mg of glucosamine sulphate three times a day. The glucosamine they used was a Ferrosan product.
Results
Before the experiment started, and two days after the last strength training session, the researchers determined the concentration of cartilage oligomeric matrix protein [COMP] in the subjects' blood. The more of this there is the blood, the stronger the catabolic processes in the joints. The researchers discovered that the glucosamine supplementation lowered the COMP concentration significantly.
Another marker for joint breakdown in arthritis is the concentration of c-telopeptide of type-2 collagen in the urine. This did not react to the treatment.
Funding
Source:
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