A member asked:

Took a step this am felt & heard a pop in l knee -leg was straight & then knee gave out. can walk but around knee cap gets sore painful to straighten

A doctor has provided 1 answer
Dr. Corey Clay answered

Specializes in Allergy and Immunology

Seek treatment: Almost certainly tore a structural ligament within the knee. You need to be examined to be sure, but likely will need a brace/crutche. Surgery is a possibility. You don't need to go to the ED, but call your doctor in the morning. Good luck!

Answered 5/1/2015



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