Background: Rupture of the anterior cruciate ligament (ACL) is a common and potentially career-threatening injury in the National Football League (NFL).

背景：前交叉韧带(ACL)撕裂是国家足球联盟(nfl)中球员常见的损伤，并可能危害到其运动生涯。

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When severe twisting of the joint occurs, the most common injury is a rupture of the anterior cruciate ligament.

当联合严重扭曲的发生，最常见的伤害是韧带断裂的前十字。

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Results in all 43 cases of bone contusion, 34 cases were complicated with cruciate ligament injury, non-cruciate ligament injury in 9 cases.

结果43例膝关节骨挫伤患者中，34例伴有交叉韧带损伤，9例不伴有交叉韧带损伤。

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The former Derby, Southampton and Sunderland defender has been ruled out of action for the rest of the season with a cruciate knee ligament injury.

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New Zealand coach Gary Kemble said Bradford winger Tame Tupou could now be a doubt for the rest of the series with a cruciate ligament knee injury.

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He missed the 2006-07 season with a stress fracture of the back and then a cruciate knee ligament injury.

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