Anterior Cruciate Ligament Injury
Alternate Names : ACL Injury
What are the signs and symptoms of the injury?
At the time of injury, the person may feel or hear a pop in the knee. He or she may have a sense that the knee has slipped out of joint. The knee is painful and swells with blood or joint fluid quite rapidly. The injured athlete cannot trust the stability of the knee, because it repeatedly gives way. This happens most often while pivoting, twisting, or jumping. Any sudden stopping or changing of direction when running or even walking can cause the knee to give way.
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