joint mobility

例句：

1. 1. The patient's joint mobility improvedsignificantly after the surgery.
   手术后，患者的关节活动性显著提高。
2. 2.Joint mobility is crucial formaintaining good posture and preventing injuries.
   关节活动性对于保持良好的姿势和预防伤害至关重要。
3. 3.The researcher found that joint mobility waspositively correlated with physical activity levels.
   研究者发现，关节活动性与身体活动水平呈正相关。