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Out of the blue, your back starts to hurt. At first, it's just an annoyance. You can live with it. You've had lower back pain before and it went away on its own. Now it's a few weeks later. You've got a low-grade pain that's not getting any better. You're actually worse, in fact, because your back

It seems that as they get older, many people expect their knees to give out. Osteoarthritis of the knee is, in fact, common in those over age 50 and knee arthroscopy is one of the most frequently done orthopedic surgeries.1 Also, increasing numbers of people are undergoing total knee replacements. The