Effects of Juvenile Rheumatoid Arthritis on Knee

By Kathryn Palagonia
October 27, 2009 | 5:47 p.m. CDT
The knee is a common joint affected by juvenile rheumatoid arthritis (JRA). Effects include cartilage and bone loss, along with swelling of the joint and joint capsule. This causes the knee to be swollen and can make it difficult to walk.
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