Obesity and Joint Pain
The more weight that’s on a joint, the more stressed the joint becomes, and the more likely it will wear down and be damaged. “Weight plays an important role in joint stress, so when people are very overweight, it puts stress on their joints, especially their weight-bearing joints, like the knees and the hips,” says Eric Matteson, MD, chair of the rheumatology division at the Mayo Clinic in Rochester, Minn. Every pound of excess weight exerts about 4 pounds of extra pressure on the knees. So a person who is 10 pounds overweight has 40 pounds of extra pressure on his knees; if a person is 100 pounds overweight, that is 400 pounds of extra pressure on his knees. “So if you think about all the steps you take in a day, you can see why it would lead to premature damage in weight-bearing joints,” says Dr. Matteson. That’s why people who are overweight are at greater risk of developing arthritis in the first place. And once a person has arthritis, “the additional weight causes even