Could Losing Weight Ease Your Arthritis Pain?

If you are at all overweight, one of the best ways to reduce osteoarthritis pain is by taking off excess pounds. Being overweight increases the load that you put on your joints -- your knees, your hips, your ankle -- with every step you take.

There are two ways that being overweight raises your risk for developing osteoarthritis (the most common
joint disorder, which is due to wear and tear on a joint). First, excess weight puts ad­ditional stress on weight bearing joints (the knee, for example). Second, inflammatory factors associated with weight gain might contribute to trouble in other joints (for example, the hands).

Let’s look at weight and your knees. When you walk across level ground, the force on your knees is the equivalent of 1 1/2 times your body weight.
That means a 200-pound man will put 300 pounds of pressure on his knees with each step. Add an incline, and the pressure is even greater: the force on each knee is two to three times your body weight when you go up and down stairs, and four to five times your body weight when you squat to tie a shoelace or pick up an item you dropped.

“When we walk, when we go up and down stairs, or get into or out of a chair or car, we can put three to five times our body weight, and sometimes more, on the joints,” says Geoffrey Westrich, attending orthopedic surgeon and Director of Joint Replacement Research at the Hospital for Special Surgery in New York. “So if you’re 50 pounds overweight, you’re putting around 250 pounds of increased stress across your knees and hips.”


Losing a few pounds can go a long way toward reducing the pressure on your knees and protecting them. For example, research has proven that a sustained 10- to 15-pound weight loss in obese young people can translate to a much lower risk of osteoarthritis later in life.

.The best tactics for losing weight

Increasing physical activity has many health benefits and can help you shed weight. But stepping up your exercise alone is rarely enough to help you lose weight. Every pound you’d like to shed represents roughly 3,500 calories. So if you’re hoping to lose half a pound to one pound a week, you need to knock off 250 to 500 calories a day. A good way to start is to try to burn 125 calories through exercise and eat 125 fewer calories each day.

Don’t forget that the math works both ways: indulging in an extra 100 calories a day without burning them off can leave you 10 pounds heavier at the end of a year! Over time, routine treats like a scoop or two of ice cream, a calorie packed coffee drink, or visits to the cookie or candy jar can tip the scales in the wrong direction.


Stories culled from Havard Medical School

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