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A member asked:

Does the fibrillation on the surface of the acl joint cause your knee to slip and be instable?

6 doctors weighed in across 2 answers

No: Fibrillation means you have some roughness of the surface of the acl that dose not cause your knee to slip out, it is a sign arthritis or slight damage to the ligament. Good luck thanks.

Dr Kuitems and 2 doctors agreed

Answered 12/31/2022

5.9k views

Thank

Knee instability : If the acl has laxity or is torn the knee will feel like it is slipping. Fibrillation is not a typical description of the acl.

Dr Brand agreed

Answered 3/12/2016

5.9k views

Thank

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