Swelling causes pain and loss of motion, which in turn will limit use of the muscles.

肿胀会引起疼痛或无法活动，这也会随之限制肌肉的活动。

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Purpose: Osteoarthritis(OA) is one common joint disease, clinical manifestation pain with joint, swelling, stiff and activity limit to into the characteristic .

目的：骨性关节炎（OA）是一种常见的关节退变性疾病，临床表现以关节疼痛、肿胀、僵硬以及活动受限为特征。

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