Anterior cruciate ligament - ACL injury

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An Anterior Cruciate Ligament (ACL) injury is a common knee injury that occurs when the ligament is stretched, partially torn, or completely ruptured. The ACL is crucial for stabilizing the knee, especially in activities that involve sudden stops, pivots, or directional changes.

Causes of ACL Injury
Sudden twisting or pivoting of the knee

Rapid deceleration and abrupt direction changes

Landing incorrectly from a jump

Direct impact or collision, common in contact sports

Weak or imbalanced thigh muscles

Symptoms of an ACL Tear
A loud popping sound at the time of injury

Severe pain and swelling within hours

Instability or difficulty walking

Limited range of motion

Tenderness along the joint line

Types of ACL Injury
Grade 1: Minor stretching, but the ligament remains intact

Grade 2: Partial tear, causing moderate instability

Grade 3: Complete rupture, leading to severe knee instability

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