Most have found that applying heat in the early stages of an episode provides short-term relief, increasing mobility and reducing pain by dilating blood vessels and relaxing stiffness.

绝大多数研究发现，在发作的早期应用热疗能提供一个短期的缓解，增加灵活性、降低血管扩展导致的疼痛和松弛僵硬。

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Inpatient rehabilitation may provide rapid short-term improvement in pain and stiffness, mobility, function and quality of life for patients with severe active disease.

严重活动期的住院病人的康复锻炼，可能快速改善短期的疼痛、僵硬、功能、活动度和生活质量。

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However, the term may refer to stiffness or refer to resistance to scratching, abrasion or cutting.

这个之外，这个词还有可能指代刚度或是材料的抗刮伤、抗磨损、抗剪切的能力。

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