Word: knees
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Take, for example, the quadriceps, the large muscles on the front of the thighs that help raise and lower the legs. "It's common knowledge that patients with osteoarthritis of the knee will have weakness in the quadriceps," says Dr. Kenneth Brandt, a rheumatologist at Indiana University in Indianapolis. For a long time, physicians assumed this was because their patients' pain prevented them from exercising. But five years ago, Brandt and his colleagues began studying a group of 400 elderly people living in central Indiana and discovered, much to their surprise, that weakness in the quadriceps in some cases preceded...
Sometimes surgery is unavoidable. Each year doctors in the U.S. perform 270,000 knee replacements and 170,000 hip replacements. So many patients have benefited that a lot of people, like Mike Ditka, 63, the Chicago Bears' Hall of Fame tight end, have had both hips replaced. To keep his new joints in good condition, Ditka works out daily. "As you get older," he says, "whatever the complications are, they're going to become magnified a hundred times if you don't exercise...
JOINT REPLACEMENT: When the bones in a joint are damaged beyond repair, a substitute joint can in some cases be fashioned out of plastic or metal. Total hip replacement is the most common, but almost any joint, including the knee, thumb, elbow and shoulder, can be replaced...
HYALURONIC ACID: Injections of this natural lubricant, particularly in the knee, can ease pain for as long as a year...
...will follow the TV camera just about anywhere it wants to go--whether it's up Katie Couric's colon or down on bended knee with The Bachelor. Few places are safe from a prying lens, but one that has remained mostly off limits is the jury room--where ordinary men and women can wield life-and-death power over their peers. "The jury remains the last great black box of American democracy," says Jeffrey Abramson, author of We, the Jury: The Jury System and the Ideal of Democracy. "It's the government institution we know the least about...