A member asked:

I fell and my knee mad a loud poppin sound and sometimes gives out when om walkin. the pain is at the back of my knee. could it be my pcl?

A doctor has provided 1 answer
Dr. Ayo Adu answered

Specializes in Sports Medicine

Or your ACL!: If it's giving out when you walk, the concern for a ligametous injury (acl, pcl, mcl) is high. A visit to your physician is suggested. The evaluation would determine if an imaging study (i.e. Mri) is warranted.

Answered 7/15/2013

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I have pain in back down to my knees. What does that sound like?

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