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By Mayo Clinic staffRegular physical activity — particularly when it involves repetitive impact movement, such as jumping — may put stress on your joints and place you at increased risk of osteochondritis dissecans.
Young people between 10 and 20 — especially active ones involved in organized sports that involve jumping, cutting or pivoting, such as tennis, gymnastics, basketball and wrestling — tend to be most affected by symptomatic osteochondritis dissecans. People involved in throwing sports, such as baseball pitchers, may be vulnerable as well.
Although osteochondritis dissecans is rare, it's becoming more commonly diagnosed, particularly among young females, as their participation in organized sports increases.