另外，跑步可以增强有助于支撑关节的韧带，使关节更加稳定，预防可能损伤软骨，最终导致骨性关节炎的扭伤和拉伤。

Furthermore, running strengthens the ligaments that help support joints, making them more stable and less susceptible to sprains and strains, which can damage cartilage and eventually lead to OA.

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当原纤维遭到破坏或者缺失就像混凝土缺少钢筋一样，骨性关节炎就会发生。软骨的机械性变弱易于磨损和撕裂。

Osteoarthritis occurs when the fibrils are disrupted or lost - just like concrete without the steel, the cartilage becomes mechanically weak and susceptible to wear and tear.

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骨性关节炎或退行性关节病可引起老化或反复损伤，导致软骨和骨破坏。

Osteoarthritis or degenerative joint disease can be caused by ageing or repetitive injury and leads to damage of cartilage and bone.

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