Torn ACL - Signs and Symptoms

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What were the signs and symptoms associated with your torn ACL?

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What are symptoms and signs of a torn ACL?

With an acute injury, the patient often describes that they heard a loud pop and then developed intense pain in the knee. The pain makes walking or weight-bearing very difficult. The knee joint will begin to swell within a few hours because of bleeding within the joint, making it difficult to straighten the knee.

If left untreated, the knee will feel unstable and the patient may complain of recurrent pain and swelling and giving way, especially when walking on uneven ground or climbing up or down steps.

Return to Torn ACL (Anterior Cruciate Ligament Tear)

See what others are saying

Comment from: Scott, 45-54 Male (Patient) Published: January 30

The signs and symptoms that I experienced were very familiar since this has been my fourth knee surgery. While attempting to stand from a kneeling position, I heard a rather loud "pop" followed by immediate and intense pain and the onset of swelling.

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