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Old 11-13-2012, 04:40 AM   #1
Raul_SJ
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Join Date: May 2011
Location: San Jose, California
Posts: 502
Default Knee osteoarthritis question.

x-ray and mri shows "mild osteoarthritic changes" in both knees, and small
tear in posterior horn of medial meniscus of right knee.

My knees feel stiff when I run. Very little pain, but I can only jog slowly due to the stiffness.

After completing a jog of 5 miles, the knees begin to hurt a few hours after and it gets worse by the next day.

I have to rest for a day or two before I can jog again.

Question:

Why does rest decrease the knee pain?

i.e., If the cartilage that cushions the knee is worn down, shouldn't the knees hurt every time I try to run?
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